View hourly forecasts 10-days ahead
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9 PM
75°
RealFeel®
74°
Pleasant
56%
Rain
WindNNW 7 mph
Air QualityFair
Wind Gusts14 mph
Humidity82%
Indoor Humidity82% (Very Humid)
Dew Point69° F
AccuLumen Brightness Index™0 (Dark)
Cloud Cover100%
Rain0.04 in
Visibility6 mi
Cloud Ceiling5400 ft
10 PM
73°
RealFeel®
75°
Pleasant
49%
Cloudy
WindNNW 8 mph
Air QualityFair
Wind Gusts14 mph
Humidity91%
Indoor Humidity91% (Very Humid)
Dew Point70° F
AccuLumen Brightness Index™0 (Dark)
Cloud Cover99%
Visibility10 mi
Cloud Ceiling3700 ft
11 PM
71°
RealFeel®
71°
Pleasant
47%
Cloudy
WindN 8 mph
Air QualityFair
Wind Gusts14 mph
Humidity88%
Indoor Humidity88% (Very Humid)
Dew Point67° F
AccuLumen Brightness Index™0 (Dark)
Cloud Cover100%
Visibility10 mi
Cloud Ceiling2000 ft
Hourly Weather Forecast for Herndon
AccuWeather's hourly forecast for Herndon provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 75° with a RealFeel® of 74°, rain with a 56% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.
