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Extreme Heat Warning EXTREME HEAT WARNING - Fairfax  - Hanover
Air Quality Alert AIR QUALITY ALERT - Fairfax

Regional Radar Regional Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.
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Updated: @ 04-Jul-2026 9:35am  
Summary / Temperature Wind Rain Outlook
Few Clouds Few Clouds
Currently: 89.1, Max: 89.1, Min: 78.6 89.1°F
Warmer 3.0°F than last hour.

Warm

Feels like: 95°F

  Today Yesterday
High: 89.1°F
9:33am 		102.6°F
3:09pm
Low: 78.6°F
7:03am 		79.9°F
7:20am
Calm NNE
0
Gust:
 0 mph
0 Bft - Calm
Today: 0.9 mph 8:48am
Gust Month: 8.9 mph July 01
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
This Month: 0.01 in
Season Total: 3.34 in
day since last rain.
Tonight

Tonight: Chance Showers And Thunderstorms then Scattered Showers And Thunderstorms
Chance Showers And T-Storms then Scattered Showers And T-Storms
Humidity & Barometer Almanac Moon
Humidity: 55 % Decreased 4.4% since last hour.
Dew Point: 70.7°F Increased 0.5°F since last hour.
Barometer: 29.91 inHg Falling 0.01 inHg/hr
Baro Trend: Steady
Sunrise: 5:49am
Sunset: 8:38pm
Moonset: 10:09am
Moonrise: 11:27pm
Waning Gibbous
Waning Gibbous, Moon at 18 days in cycle
81%
Illuminated
UV Index Forecast UV Index Forecast
04-Jul-2026
9.4     Very High 
05-Jul-2026
9.9     Very High 
 NWS Weather Forecast  - Outlook: Independence Day & Tonight
Independence
Day
Independence Day: Mostly Sunny then Chance Showers And Thunderstorms
Mostly Sunny then Chance Showers And T-Storms

Hi 98 °F		 NWS forecast: A chance of showers and thunderstorms after 3pm. Some of the storms could be severe. Mostly sunny. High near 98, with temperatures falling to around 92 in the afternoon. Heat index values as high as 109. West wind 3 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Davis VP+ forecast: Partly cloudy and cooler.
 
Tonight

Tonight: Chance Showers And Thunderstorms then Scattered Showers And Thunderstorms
Chance Showers And T-Storms then Scattered Showers And T-Storms

Lo 74 °F		 NWS forecast: A chance of showers and thunderstorms before 10pm, then scattered showers and thunderstorms between 10pm and 1am, then isolated showers and thunderstorms between 1am and 5am. Some of the storms could be severe. Mostly cloudy, with a low around 74. Southwest wind 1 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.