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Triple flood threat in the central US fueled by Pacific hurricanes. Click to read the forecast.

Herndon, VA

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Herndon, VA Weather

Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Hourly

10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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2 PM

72°

RealFeel® 73°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

34%

Cloudy

RealFeel Shade™70°

WindWNW 6 mph

Air QualityExcellent

Max UV Index1.6 (Low)

Wind Gusts9 mph

Humidity60%

Indoor Humidity60% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling7100 ft

3 PM

73°

RealFeel® 74°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

34%

Mostly cloudy

RealFeel Shade™71°

WindWNW 6 mph

Air QualityExcellent

Max UV Index1.5 (Low)

Wind Gusts8 mph

Humidity65%

Indoor Humidity65% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover85%

Visibility10 mi

Cloud Ceiling7100 ft

4 PM

74°

RealFeel® 74°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

34%

Mostly cloudy

RealFeel Shade™72°

WindW 6 mph

Air QualityExcellent

Max UV Index1.2 (Low)

Wind Gusts7 mph

Humidity63%

Indoor Humidity63% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover77%

Visibility10 mi

Cloud Ceiling7100 ft

5 PM

73°

RealFeel® 73°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

34%

Intermittent clouds

RealFeel Shade™73°

WindW 6 mph

Air QualityExcellent

Max UV Index0.9 (Low)

Wind Gusts7 mph

Humidity65%

Indoor Humidity65% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling7100 ft

6 PM

71°

RealFeel® 71°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

34%

Partly sunny

RealFeel Shade™71°

WindW 5 mph

Air QualityExcellent

Max UV Index0.8 (Low)

Wind Gusts6 mph

Humidity70%

Indoor Humidity70% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover49%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

69°

RealFeel® 68°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

22%

Partly cloudy

WindW 5 mph

Air QualityExcellent

Wind Gusts5 mph

Humidity76%

Indoor Humidity76% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover34%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

67°

RealFeel® 66°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Mostly clear

WindWNW 4 mph

Air QualityExcellent

Wind Gusts5 mph

Humidity81%

Indoor Humidity78% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

65°

RealFeel® 66°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Mostly clear

WindWNW 2 mph

Air QualityFair

Wind Gusts4 mph

Humidity87%

Indoor Humidity78% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

63°

RealFeel® 64°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Mostly clear

WindWNW 2 mph

Air QualityFair

Wind Gusts2 mph

Humidity93%

Indoor Humidity77% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

61°

RealFeel® 62°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

0%

Mostly clear

WindWNW 2 mph

Air QualityFair

Wind Gusts2 mph

Humidity99%

Indoor Humidity76% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 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 72° with a RealFeel® of 73°, cloudy with a 34% 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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