AccuWeather products consistently deliver measurable returns — reducing costs, downtime, and risk while improving performance across departments

Historical Weather Data
The cleanest, most comprehensive set of past weather conditions dating back to 1950. Missing and erroneous data has been accounted for.

Current & Real-Time Weather Data
Live, continuously updated weather data that reflects the real time state of atmospheric conditions.

Forecast
AccuWeather’s forecasts have been verified as the most accurate with Proven Superior Accuracy™ in severe weather situations when it matters most.
Explore 300+ Forecast Parameters Backed
by AccuWeather’s Proven Superior Accuracy™
Leverage the industry’s most advanced weather dataset — including hyper-local forecasts, air quality metrics, and operational indices — to drive smarter decisions across energy, retail, logistics, and more.
Flight Category
API
DN
Predominant Flight Category
API
DN
Ceiling
API
m / ft
24 Hour Departure Ceiling
API
m / ft
Average Ceiling
API
m / ft
Maximum Ceiling
API
m / ft
Minimum Ceiling
API
m / ft
Cloud Base
API
m / ft
24 Hour Departure Cloud Base
API
m / ft
Average Cloud Base
API
m / ft
Maximum Cloud Base
API
m / ft
Minimum Cloud Base
API
m / ft
24 Hour Departure Cloud Cover
API
% / DN
Average Cloud Cover
API
DN
High Cloud Cover
API
%
Low Cloud Cover
API
%
Maximum Cloud Cover
API
DN
Medium Cloud Cover
API
%
Minimum Cloud Cover
API
DN
Average Cloud Cover Percentage
API
%
High Cloud Cover Percentage
API
%
Low Cloud Cover Percentage
API
%
Maximum Cloud Cover Percentage
API
%
Medium Cloud Cover Percentage
API
%
Minimum Cloud Cover Percentage
API
%
Total Cloud Cover Percentage
API
%
Total Cloud Cover
API
%
Date
API
DN
Day Flag
API
DN
Day Part
API
DN
Date & Time
API
DN
Total Cooling Degree Days
API
°C / °F
Total Effective Degree Days
API
°C / °F
Total Freezing Degree Days
API
°C / °F
Total Growing Degree Days
API
°C / °F
Total Heating Degree Days
API
°C / °F
Evapotranspiration
API
mm / in
Total Evapotranspiration
API
mm / in
Freezing Rain LWE
API
mm / in
Freezing Rain LWE Rate
API
mm/hr / in/hr
Average Freezing Rain LWE Rate
API
mm/hr / in/hr
Maximum Freezing Rain LWE Rate
API
mm/hr / in/hr
Minimum Freezing Rain LWE Rate
API
mm/hr / in/hr
Total Freezing Rain LWE
API
mm / in
Freezing Rain Flag
API
T/F
Ice Flag
API
T/F
Precipitation Flag
API
T/F
Rain Flag
API
T/F
Sleet Flag
API
T/F
Snowfall Flag
API
T/F
Absolute Humidity
API
g/m³ / lbs/ft³
24 Hour Departure Absolute Humidity
API
g/m³ / lbs/ft³
Average Absolute Humidity
API
g/m³ / lbs/ft³
Maximum Absolute Humidity
API
g/m³ / lbs/ft³
Minimum Absolute Humidity
API
g/m³ / lbs/ft³
Relative Humidity
API
%
24 Hour Departure Relative Humidity
API
%
Average Relative Humidity
API
%
Indoor Relative Humidity
API
%
24 Hour Departure Indoor Relative Humidity
API
%
Average Indoor Relative Humidity
API
%
Maximum Indoor Relative Humidity
API
%
Minimum Indoor Relative Humidity
API
%
Maximum Relative Humidity
API
%
Minimum Relative Humidity
API
%
Specific Humidity
API
g/kg / lb/lb
24 Hour Departure Specific Humidity
API
g/kg / lb/lb
Average Specific Humidity
API
g/kg / lb/lb
Maximum Specific Humidity
API
g/kg / lb/lb
Minimum Specific Humidity
API
g/kg / lb/lb
Ice LWE
API
mm / in
Ice LWE Rate
API
mm/hr / in/hr
Average Ice LWE Rate
API
mm/hr / in/hr
Maximum Ice LWE Rate
API
mm/hr / in/hr
Minimum Ice LWE Rate
API
mm/hr / in/hr
Total Ice LWE
API
mm / in
Ice Probability
API
%
Air Quality Index
API
DN
24 Hour Departure Air Quality Index
API
DN
Average Air Quality Index
API
DN
Local Air Quality Index
API
DN
24 Hour Departure Local Air Quality Index
API
DN
Average Local Air Quality Index
API
DN
Maximum Local Air Quality Index
API
DN
Minimum Local Air Quality Index
API
DN
Maximum Air Quality Index
API
DN
Maximum Air Quality Index Code
API
DN
Minimum Air Quality Index
API
DN
AccuLumen Brightness Index™
API
DN
UV Index
API
DN
24 Hour Departure UV Index
API
DN
Average UV Index
API
DN
Clear-Sky UV Index
API
DN
24 Hour Departure Clear-Sky UV Index
API
DN
Average Clear-Sky UV Index
API
DN
Maximum Clear-Sky UV Index
API
DN
Minimum Clear-Sky UV Index
API
DN
Maximum UV Index
API
DN
Minimum UV Index
API
DN
Minutes of Freezing Rain
API
min
Total Minutes of Freezing Rain
API
min
Minutes of Ice
API
min
Total Minutes of Ice
API
min
Minutes of Precipitation
API
min
Total Minutes of Precipitation
API
min
Minutes of Rain
API
min
Total Minutes of Rain
API
min
Minutes of Sleet
API
min
Total Minutes of Sleet
API
min
Minutes of Snow
API
min
Total Minutes of Snow
API
min
Minutes of Sun
API
min
Total Minutes of Sun
API
min
Soil Moisture 1
API
m³/m³ / ft³/ft³
Soil Moisture 2
API
m³/m³ / ft³/ft³
Soil Moisture 3
API
m³/m³ / ft³/ft³
Soil Moisture 4
API
m³/m³ / ft³/ft³
Average Soil Moisture
API
m³/m³ / ft³/ft³
Maximum Soil Moisture
API
m³/m³ / ft³/ft³
Minimum Soil Moisture
API
m³/m³ / ft³/ft³
Nitrogen Dioxide
API
g/m³ / lb/ft³
24 Hour Departure Nitrogen Dioxide
API
g/m³ / lb/ft³
Average Nitrogen Dioxide
API
g/m³ / lb/ft³
Maximum Nitrogen Dioxide
API
g/m³ / lb/ft³
Minimum Nitrogen Dioxide
API
g/m³ / lb/ft³
Ozone
API
g/m³ / lb/ft³
24 Hour Departure Ozone
API
g/m³ / lb/ft³
Average Ozone
API
g/m³ / lb/ft³
Maximum Ozone
API
g/m³ / lb/ft³
Minimum Ozone
API
g/m³ / lb/ft³
GMT Offset
API
hours
Particulate Matter 10
API
g/m³ / lb/ft³
24 Hour Departure PM10
API
g/m³ / lb/ft³
Average Particulate Matter 10
API
g/m³ / lb/ft³
Maximum Particulate Matter 10
API
g/m³ / lb/ft³
Minimum Particulate Matter 10
API
g/m³ / lb/ft³
Particulate Matter 2.5
API
g/m³ / lb/ft³
24 Hour Departure PM2.5
API
g/m³ / lb/ft³
Average Particulate Matter 2.5
API
g/m³ / lb/ft³
Maximum Particulate Matter 2.5
API
g/m³ / lb/ft³
Minimum Particulate Matter 2.5
API
g/m³ / lb/ft³
Precipitation Intensity
API
DN
Maximum Precipitation Intensity
API
DN
Precipitation LWE
API
mm / in
Precipitation LWE Rate
API
mm/hr / in/hr
Average Precipitation LWE Rate
API
mm/hr / in/hr
Maximum Precipitation LWE Rate
API
mm/hr / in/hr
Minimum Precipitation LWE Rate
API
mm/hr / in/hr
Total Precipitation LWE
API
mm / in
Precipitation Probability
API
%
Precipitation Type
API
DN
Precipitation Type Description
API
DN
Predominant Precipitation Description
API
DN
Predominant Precipitation Type
API
DN
Pressure
API
Pa / inHg
24 Hour Departure Pressure
API
Pa / inHg
Average Pressure
API
Pa / inHg
Maximum Pressure
API
Pa / inHg
Minimum Pressure
API
Pa / inHg
Mean Sea Level Pressure
API
Pa / inHg
24 Hour Departure MSL Pressure
API
Pa / inHg
Average Mean Sea Level Pressure
API
Pa / inHg
Maximum Mean Sea Level Pressure
API
Pa / inHg
Minimum Mean Sea Level Pressure
API
Pa / inHg
Long Phrase
API
DN
Short Phrase
API
DN
Rain LWE
API
mm / in
Rain LWE Rate
API
mm/hr / in/hr
Average Rain LWE Rate
API
mm/hr / in/hr
Maximum Rain LWE Rate
API
mm/hr / in/hr
Minimum Rain LWE Rate
API
mm/hr / in/hr
Total Rain LWE
API
mm / in
Rain Probability
API
%
Sleet LWE
API
mm / in
Sleet LWE Rate
API
mm/hr / in/hr
Average Sleet LWE Rate
API
mm/hr / in/hr
Maximum Sleet LWE Rate
API
mm/hr / in/hr
Minimum Sleet LWE Rate
API
mm/hr / in/hr
Total Sleet LWE
API
mm / in
Snowfall
API
mm / in
Average Snowfall
API
mm / in
Snow Cover Percentage
API
%
24 Hour Departure Snow Cover
API
%
Average Snow Cover
API
%
Maximum Snow Cover
API
%
Minimum Snow Cover
API
%
Snow Depth
API
mm / in
Average Snow Depth
API
mm / in
Maximum Snow Depth
API
mm / in
Minimum Snow Depth
API
mm / in
Snow Drifting Intensity
API
DN
Maximum Snow Drifting Intensity
API
DN
AccuWeather Snow Liquid Ratio
API
DN
Average AccuWeather Snow Liquid Ratio
API
DN
Maximum AccuWeather Snow Liquid Ratio
API
DN
Minimum AccuWeather Snow Liquid Ratio
API
DN
Cobb 2005 Snow Liquid Ratio
API
DN
Cobb 2011 Snow Liquid Ratio
API
DN
Kuchera Snow Liquid Ratio
API
DN
NCEP Snow Liquid Ratio
API
DN
Snowfall LWE
API
mm / in
Snowfall LWE Rate
API
mm/hr / in/hr
Average Snowfall LWE Rate
API
mm/hr / in/hr
Maximum Snowfall LWE Rate
API
mm/hr / in/hr
Minimum Snowfall LWE Rate
API
mm/hr / in/hr
Total Snowfall LWE
API
mm / in
Maximum Snowfall
API
mm / in
Minimum Snowfall
API
mm / in
Snow Probability
API
%
Total Snowfall
API
mm / in
Snow Type Description
API
DN
Predominant Snow Type Description
API
DN
Solar Intensity
API
DN
24 Hour Departure Solar Intensity
API
DN
Average Solar Intensity
API
DN
Maximum Solar Intensity
API
DN
Minimum Solar Intensity
API
DN
Solar Irradiance
API
W/m² / BTU/ft²hr
Average Solar Irradiance
API
W/m² / BTU/ft²hr
Maximum Solar Irradiance
API
W/m² / BTU/ft²hr
Minimum Solar Irradiance
API
W/m² / BTU/ft²hr
Solar Irradiance Possible
API
W/m² / BTU/ft²hr
Average Solar Irradiance Possible
API
W/m² / BTU/ft²hr
Maximum Solar Irradiance Possible
API
W/m² / BTU/ft²hr
Total Solar Irradiance Possible
API
W/m² / BTU/ft²hr
Total Solar Irradiance
API
W/m² / BTU/ft²
Net Solar Radiation
API
W/m² / BTU/ft²hr
Average Solar Radiation Net
API
W/m² / BTU/ft²hr
Maximum Solar Radiation Net
API
W/m² / BTU/ft²hr
Total Solar Radiation Net
API
W/m² / BTU/ft²hr
Temperature
API
°C / °F
24 Hour Departure Temperature
API
°C / °F
Average Temperature
API
°C / °F
Dew Point
API
°C / °F
24 Hour Departure Dew Point
API
°C / °F
Average Dew Point Temperature
API
°C / °F
Maximum Dew Point Temperature
API
°C / °F
Minimum Dew Point Temperature
API
°C / °F
Heat Index
API
°C / °F
24 Hour Departure Heat Index
API
°C / °F
Average Heat Index
API
°C / °F
Maximum Heat Index
API
°C / °F
Minimum Heat Index
API
°C / °F
Maximum Temperature
API
°C / °F
Minimum Temperature
API
°C / °F
AccuWeather RealFeel® Temperature
API
°C / °F
24 Hour Departure RealFeel® Temperature
API
°C / °F
Average AccuWeather RealFeel® Temperature
API
°C / °F
Maximum AccuWeather RealFeel® Temperature
API
°C / °F
Minimum AccuWeather RealFeel® Temperature
API
°C / °F
AccuWeather RealFeel® Shade Temperature
API
°C / °F
24 Hour Departure RealFeel® Shade Temperature
API
°C / °F
Average AccuWeather RealFeel® Shade Temperature
API
°C / °F
Maximum AccuWeather RealFeel® Shade Temperature
API
°C / °F
Minimum AccuWeather RealFeel® Shade Temperature
API
°C / °F
Soil Temperature 1
API
°C / °F
Soil Temperature 2
API
°C / °F
24 Hour Departure Soil Temperature
API
°C / °F
Soil Temperature 3
API
°C / °F
Soil Temperature 4
API
°C / °F
Average Soil Temperature
API
°C / °F
Maximum Soil Temperature
API
°C / °F
Minimum Soil Temperature
API
°C / °F
Wet-bulb Temperature
API
°C / °F
24 Hour Departure Wet-bulb Temperature
API
°C / °F
Average Wet-bulb Temperature
API
°C / °F
Wet-bulb Globe Temperature
API
°C / °F
24 Hour Departure Wet-bulb Globe Temperature
API
°C / °F
Average Wet-bulb Globe Temperature
API
°C / °F
Maximum Wet-bulb Globe Temperature
API
°C / °F
Minimum Wet-bulb Globe Temperature
API
°C / °F
Maximum Wet-bulb Temperature
API
°C / °F
Minimum Wet-bulb Temperature
API
°C / °F
Wind Chill
API
°C / °F
24 Hour Departure Wind Chill
API
°C / °F
Average Wind Chill
API
°C / °F
Maximum Wind Chill
API
°C / °F
Minimum Wind Chill
API
°C / °F
Thunderstorm Probability
API
%
Visibility
API
km / mi
24 Hour Departure Visibility
API
km / mi
Average Visibility
API
km / mi
Maximum Visibility
API
km / mi
Minimum Visibility
API
km / mi
Weather Icon
API
DN
Weather Icon
API
DN
Wind Chill Energy
API
W/m² / BTU/ft²hr
Average Wind Chill Energy
API
W/m² / BTU/ft²hr
Maximum Wind Chill Energy
API
W/m² / BTU/ft²hr
Total Wind Chill Energy
API
W/m² / BTU/ft²hr
Wind Direction
API
°
24 Hour Departure Wind Direction
API
°
Average Wind Direction
API
°
Predominant Wind Direction
API
°
Wind Gust
API
m/s / mph
24 Hour Departure Wind Gust
API
m/s / mph
Average Wind Gust
API
m/s / mph
Average Wind Gust Direction
API
°
Instantaneous Wind Gust
API
m/s / mph
24 Hour Departure Instantaneous Wind Gust
API
m/s / mph
Average Instantaneous Wind Gust
API
m/s / mph
Maximum Instantaneous Wind Gust
API
m/s / mph
Minimum Instantaneous Wind Gust
API
m/s / mph
Maximum Wind Gust
API
m/s / mph
Minimum Wind Gust
API
m/s / mph
Wind Speed
API
m/s / mph
24 Hour Departure Wind Speed
API
m/s / mph
Average Wind Speed
API
m/s / mph
Maximum Wind Speed
API
m/s / mph
Minimum Wind Speed
API
m/s / mph
Maximum Grass Allergy
API
c/m³ / c/ft³
Maximum Mold Allergy
API
c/m³ / c/ft³
Maximum Ragweed Allergy
API
c/m³ / c/ft³
Maximum Tree Allergy
API
c/m³ / c/ft³
Carbon Monoxide Global AQI
API
DN
Carbon Monoxide Local AQI
API
DN
Current Nitrogen Dioxide Concentration
API
µg/m³
Current Particulate Matter 10 Concentration
API
µg/m³
Date/Time (Air Quality)
API
DN
Maximum Carbon Monoxide Level
API
µg/m³
Maximum Nitric Oxide Level
API
µg/m³
Maximum Nitrogen Dioxide Level
API
µg/m³
Maximum Nitrogen Oxides Level
API
µg/m³
Maximum Overall Pollutant Global AQI
API
DN
Maximum Overall Pollutant Local AQI
API
DN
Maximum Ozone Level
API
µg/m³
Maximum PM10 Level
API
µg/m³
Maximum PM2.5 Level
API
µg/m³
Maximum Sulfur Dioxide Level
API
µg/m³
Nitric Oxide Global AQI
API
DN
Nitric Oxide Local AQI
API
DN
Nitrogen Dioxide Global AQI
API
DN
Nitrogen Dioxide Local AQI
API
DN
Nitrogen Oxides Concentration
API
µg/m³
Nitrogen Oxides Global AQI
API
DN
Nitrogen Oxides Local AQI
API
DN
Ozone Global AQI
API
DN
Ozone Local AQI
API
DN
PM10 Global AQI
API
DN
PM10 Local AQI
API
DN
PM2.5 Global AQI
API
DN
PM2.5 Local AQI
API
DN
Primary Pollutant Name
API
DN
Sulfur Dioxide Local AQI
API
DN
Sulfur Dioxide Global AQI
API
DN
Strike Type
API
DN
Peak Current
API
A
Lightning Date
API
DN
Lightning Coordinates
API
DN
Arthritis Pain Index
API
Index
Asthma Index
API
Index
Beach & Pool Index
API
Index
Bicycling Index
API
Index
Car Washing Index
API
Index
Clothes Drying Index
API
Index
Common Cold Index
API
Index
Composting Index
API
Index
Construction Index
API
Index
COPD Index
API
Index
Dog Walking Comfort Index
API
Index
Driving Index
API
Index
Dry Skin Index
API
Index
Dust & Dander Index
API
Index
Field Readiness Index
API
Index
Fishing Index
API
Index
Flight Delays Index
API
Index
Flu Index
API
Index
Flying Travel Index
API
Index
Fuel Economy Index
API
Index
Golf Weather Index
API
Index
Grass Growing Index
API
Index
Grass Pollen Index
API
Index
Hair Frizz Index
API
Index
Healthy Heart Fitness Index
API
Index
Hiking Index
API
Index
Home Energy Efficiency Index
API
Index
Hunting Index
API
Index
Indoor Activity Index
API
Index
Jogging Index
API
Index
Kite Flying Index
API
Index
Lawn Mowing Index
API
Index
Makeup & Skincare Index
API
Index
Migraine Headache Index
API
Index
Mold Pollen Index
API
Index
Morning School Bus Index
API
Index
Mosquito Activity Index
API
Index
Outdoor Activity Index
API
Index
Outdoor Barbecue Index
API
Index
Outdoor Concert Index
API
Index
Ragweed Pollen Index
API
Index
Running Index
API
Index
Tennis Index
API
Index
Thirst Index
API
Index
Tree Pollen Index
API
Index
Sailing Index
API
Index
Shopping Index
API
Index
Sinus Headache Index
API
Index
Skateboarding Index
API
Index
Ski Weather Index
API
Index
Snow Days Index
API
Index
Soil Moisture Index
API
Index
Stargazing Index
API
Index
Imminent: Tornado Alert
API
Alert
Imminent: Flash Flooding Alert
API
Alert
Imminent: Hurricane Forecast
API
Alert
Imminent: Tropical Storm Forecast
API
Alert
Imminent: High Winds Alert
API
Alert
Imminent: Tropical Depression Forecast
API
Alert
Imminent: Tropical Rainstorm Forecast
API
Alert
Severe Weather Threat: Tornado Alert
API
Alert
Severe Weather Threat: Flash Flood Alert
API
Alert
Severe Weather Threat: Hurricane Forecast
API
Alert
Winter Storm Threat: Blizzard Forecast
API
Alert
Winter Storm Threat: Snow and Ice Forecast
API
Alert
Winter Storm Threat: Ice Forecast
API
Alert
Winter Storm Threat: Snow Forecast
API
Alert
Severe Weather Threat: Tropical Storm Forecast
API
Alert
Severe Weather Threat: Thunderstorm High Winds Alert
API
Alert
Severe Weather Threat: High Winds Alert
API
Alert
Severe Weather Threat: Tropical Depression Forecast
API
Alert
Severe Weather Threat: Tropical Rainstorm Forecast
API
Alert
Severe Weather Potential: Tornado Forecast
API
Alert
Severe Weather Potential: Flash Flood Forecast
API
Alert
Severe Weather Potential: Hurricane Forecast
API
Alert
Winter Storm Potential: Blizzard Forecast
API
Alert
Winter Storm Potential: Snow and Ice Forecast
API
Alert
Winter Storm Potential: Ice Forecast
API
Alert
Winter Storm Potential: Snow Forecast
API
Alert
Severe Weather Potential: Tropical Storm Forecast
API
Alert
Severe Weather Potential: Thunderstorm High Winds Forecast
API
Alert
Severe Weather Potential: High Winds Forecast
API
Alert
Severe Weather Potential: Tropical Depression Forecast
API
Alert
Severe Weather Potential: Tropical Rainstorm Forecast
API
Alert
