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Fairfax, VA

82°F
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Fairfax

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

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1 PM

85°
RealFeel® 97°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 25%
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Cloudy

RealFeel Shade™91°

Heat Index92°

WindN 6 mph

Air QualityFair

Max UV Index3.8 (Moderate)

Wind Gusts7 mph

Humidity70%

Indoor Humidity70% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling10400 ft

2 PM

86°
RealFeel® 95°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 64%
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Thunderstorms

RealFeel Shade™92°

Heat Index97°

WindN 6 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts7 mph

Humidity74%

Indoor Humidity74% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Rain0.15 in

Visibility4 mi

Cloud Ceiling2000 ft

3 PM

88°
RealFeel® 98°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™93°

Heat Index96°

WindN 6 mph

Air QualityFair

Max UV Index2.9 (Moderate)

Wind Gusts7 mph

Humidity64%

Indoor Humidity64% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling14700 ft

4 PM

86°
RealFeel® 95°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 48%
Chevron down
Cloudy
alerts

Flood Watch

4:00 PM Monday - 12:00 AM Tuesday

RealFeel Shade™92°

Heat Index94°

WindN 7 mph

Air QualityFair

Max UV Index1.9 (Low)

Wind Gusts8 mph

Humidity66%

Indoor Humidity66% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling14700 ft

5 PM

84°
RealFeel® 92°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 49%
Chevron down
Cloudy
alerts

Flood Watch

4:00 PM Monday - 12:00 AM Tuesday

RealFeel Shade™90°

Heat Index91°

WindN 7 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts8 mph

Humidity70%

Indoor Humidity70% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling14700 ft

6 PM

82°
RealFeel® 87°
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.
LEARN MORE
rain drop 55%
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Thunderstorms
alerts

Flood Watch

4:00 PM Monday - 12:00 AM Tuesday

RealFeel Shade™87°

Heat Index89°

WindN 7 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts7 mph

Humidity81%

Indoor Humidity81% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Rain0.15 in

Visibility4 mi

Cloud Ceiling2000 ft

7 PM

80°
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.
LEARN MORE
rain drop 47%
Chevron down
Cloudy
alerts

Flood Watch

4:00 PM Monday - 12:00 AM Tuesday

RealFeel Shade™86°

Heat Index84°

WindN 6 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts7 mph

Humidity82%

Indoor Humidity82% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling11600 ft

8 PM

77°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 66%
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Thunderstorms
alerts

Flood Watch

4:00 PM Monday - 12:00 AM Tuesday

RealFeel Shade™80°

WindE 6 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts7 mph

Humidity88%

Indoor Humidity88% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Rain0.07 in

Visibility5 mi

Cloud Ceiling4000 ft

9 PM

75°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 66%
Chevron down
Thunderstorms
alerts

Flood Watch

4:00 PM Monday - 12:00 AM Tuesday

WindESE 6 mph

Air QualityFair

Wind Gusts6 mph

Humidity95%

Indoor Humidity95% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover89%

Rain0.07 in

Visibility5 mi

Cloud Ceiling2000 ft

10 PM

74°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Mostly cloudy
alerts

Flood Watch

4:00 PM Monday - 12:00 AM Tuesday

WindSSE 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity96%

Indoor Humidity95% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover89%

Visibility10 mi

Cloud Ceiling4700 ft

11 PM

73°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Cloudy
alerts

Flood Watch

4:00 PM Monday - 12:00 AM Tuesday

WindSSW 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity98%

Indoor Humidity95% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling2000 ft

Hourly Weather Forecast for Fairfax

AccuWeather's hourly forecast for Fairfax provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 85° with a RealFeel® of 97°, cloudy with a 25% 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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  • Germantown, MD
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