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Fairfax, VA

95°F
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Fairfax

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95°
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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

97°
RealFeel® 111°
Dangerous Heat
RealFeel Guide
Dangerous Heat
108° to 115°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
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rain drop 0%
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Sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 9:00 PM Friday

RealFeel Shade™101°

Heat Index106°

WindWNW 7 mph

Air QualityPoor

Max UV Index11.0 (Extreme)

Wind Gusts8 mph

Humidity43%

Indoor Humidity43% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover9%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

99°
RealFeel® 109°
Dangerous Heat
RealFeel Guide
Dangerous Heat
108° to 115°
Caution advised. 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 19%
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Sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 9:00 PM Friday

RealFeel Shade™100°

Heat Index105°

WindW 8 mph

Air QualityPoor

Max UV Index10.0 (Very High)

Wind Gusts9 mph

Humidity39%

Indoor Humidity39% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover9%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

100°
RealFeel® 108°
Dangerous Heat
RealFeel Guide
Dangerous Heat
108° to 115°
Caution advised. 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 19%
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Intermittent clouds
alerts

Extreme Heat Warning

10:00 AM Friday - 9:00 PM Friday

RealFeel Shade™102°

Heat Index107°

WindW 8 mph

Air QualityPoor

Max UV Index6.5 (High)

Wind Gusts9 mph

Humidity36%

Indoor Humidity36% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

99°
RealFeel® 105°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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 24%
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Sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 9:00 PM Friday

RealFeel Shade™100°

Heat Index105°

WindW 8 mph

Air QualityPoor

Max UV Index4.9 (Moderate)

Wind Gusts13 mph

Humidity37%

Indoor Humidity37% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover9%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

98°
RealFeel® 102°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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 43%
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Mostly sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 9:00 PM Friday

RealFeel Shade™99°

Heat Index103°

WindW 8 mph

Air QualityPoor

Max UV Index3.4 (Moderate)

Wind Gusts15 mph

Humidity37%

Indoor Humidity37% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

95°
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 47%
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Mostly sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 9:00 PM Friday

RealFeel Shade™95°

Heat Index99°

WindWSW 8 mph

Air QualityPoor

Max UV Index2.1 (Low)

Wind Gusts13 mph

Humidity42%

Indoor Humidity42% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

88°
RealFeel® 99°
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 51%
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Mostly cloudy w/ t-storms
alerts

Extreme Heat Warning

10:00 AM Friday - 9:00 PM Friday

RealFeel Shade™99°

Heat Index103°

WindSW 7 mph

Air QualityPoor

Max UV Index0.4 (Low)

Wind Gusts10 mph

Humidity76%

Indoor Humidity76% (Dangerously Humid)

Dew Point79° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover70%

Rain0.05 in

Visibility5 mi

Cloud Ceiling4000 ft

8 PM

88°
RealFeel® 94°
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 47%
Chevron down
Mostly sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 9:00 PM Friday

RealFeel Shade™94°

Heat Index97°

WindWNW 8 mph

Air QualityPoor

Max UV Index0.3 (Low)

Wind Gusts10 mph

Humidity64%

Indoor Humidity64% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

85°
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.
LEARN MORE
rain drop 47%
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Mostly clear

Heat Index90°

WindWNW 7 mph

Air QualityPoor

Wind Gusts9 mph

Humidity63%

Indoor Humidity63% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

83°
RealFeel® 85°
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 51%
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Partly cloudy w/ t-storms

Heat Index88°

WindWNW 6 mph

Air QualityPoor

Wind Gusts7 mph

Humidity69%

Indoor Humidity69% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Rain0.04 in

Visibility6 mi

Cloud Ceiling30000 ft

11 PM

81°
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 40%
Chevron down
Mostly clear

Heat Index87°

WindWNW 6 mph

Air QualityPoor

Wind Gusts7 mph

Humidity76%

Indoor Humidity76% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 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 97° with a RealFeel® of 111°, sunny with a 0% 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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