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Herndon, VA

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Herndon, VA Weather

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4 PM

87°

RealFeel® 88°

Very Warm

RealFeel Guide

Very Warm

82° to 89°

Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.

39%

Cloudy

RealFeel Shade™88°

Heat Index89°

WindSW 7 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts8 mph

Humidity52%

Indoor Humidity52% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling14700 ft

5 PM

84°

RealFeel® 86°

Very Warm

RealFeel Guide

Very Warm

82° to 89°

Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.

49%

Cloudy

RealFeel Shade™86°

Heat Index87°

WindSW 7 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts8 mph

Humidity60%

Indoor Humidity60% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover98%

Visibility10 mi

Cloud Ceiling7100 ft

6 PM

81°

RealFeel® 81°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

70%

Showers

RealFeel Shade™81°

Heat Index84°

WindSW 6 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts9 mph

Humidity70%

Indoor Humidity70% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover96%

Rain0.05 in

Visibility6 mi

Cloud Ceiling4000 ft

7 PM

80°

RealFeel® 83°

Very Warm

RealFeel Guide

Very Warm

82° to 89°

Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.

49%

Cloudy

Heat Index83°

WindWSW 6 mph

Air QualityFair

Wind Gusts13 mph

Humidity73%

Indoor Humidity73% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling7100 ft

8 PM

76°

RealFeel® 79°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

47%

Cloudy

WindNW 6 mph

Air QualityFair

Wind Gusts13 mph

Humidity81%

Indoor Humidity81% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling7000 ft

9 PM

73°

RealFeel® 72°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

51%

Rain

WindNNW 7 mph

Air QualityFair

Wind Gusts14 mph

Humidity87%

Indoor Humidity87% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover98%

Rain0.01 in

Visibility6 mi

Cloud Ceiling5400 ft

10 PM

71°

RealFeel® 71°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

47%

Cloudy

WindNNW 8 mph

Air QualityFair

Wind Gusts14 mph

Humidity90%

Indoor Humidity90% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling3700 ft

11 PM

69°

RealFeel® 68°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

47%

Cloudy

WindN 8 mph

Air QualityFair

Wind Gusts14 mph

Humidity92%

Indoor Humidity92% (Humid)

Dew Point66° 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 87° with a RealFeel® of 88°, cloudy with a 39% 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.

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World North America United States Virginia Herndon

Weather Near Herndon:

Alexandria, VA
Germantown, MD
Washington, DC

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