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Severe Thunderstorm Watch SEVERE THUNDERSTORM WATCH - Fairfax  - Hanover
Heat Advisory HEAT ADVISORY - Fairfax  - Hanover
Flood Watch FLOOD WATCH - Fairfax
Air Quality Alert AIR QUALITY ALERT - Fairfax

Regional Radar Regional Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.
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Updated: @ 18-Jul-2026 2:35pm  
Summary / Temperature Wind Rain Outlook
Smoke, Mostly cloudy Smoke, Mostly cloudy
Currently: 92.1, Max: 94.5, Min: 76.6 92.1°F
Colder 1.6°F than last hour.

Extremely Hot

Feels like: 104°F

  Today Yesterday
High: 94.5°F
1:57pm 		92.5°F
2:54pm
Low: 76.6°F
6:53am 		73.6°F
8:22am
Wind from E E
2.9
Gust:
 4 mph
1 Bft - Light air
Today: 13 mph 12:04pm
Gust Month: 19.9 mph July 04
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
This Month: 0.03 in
Season Total: 3.36 in
day since last rain.
Tonight

Tonight: Chance Showers And Thunderstorms then Mostly Cloudy
Chance Showers And T-Storms then Mostly Cloudy
Humidity & Barometer Almanac Moon
Humidity: 58 % Increased 0.5% since last hour.
Dew Point: 75.2°F Decreased 1.2°F since last hour.
Barometer: 29.71 inHg Falling 0.03 inHg/hr
Baro Trend: Steady
Sunrise: 5:58am
Sunset: 8:32pm
Moonrise: 10:48am
Moonset: 11:07pm
Waxing Crescent
Waxing Crescent, Moon at 5 days in cycle
24%
Illuminated
UV Index Forecast UV Index Forecast
18-Jul-2026
9.7     Very High 
19-Jul-2026
8.6     Very High 
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Chance Showers And Thunderstorms
Chance Showers And T-Storms

Hi 94 °F		 NWS forecast: Patchy smoke before 2pm, then a chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy. High near 94, with temperatures falling to around 88 in the afternoon. Heat index values as high as 103. Southwest wind around 12 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Davis VP+ forecast: Increasing clouds with little temperature change. Precipitation possible within 6 hours. Windy with possible wind shift to the W, NW, or N.
 
Tonight

Tonight: Chance Showers And Thunderstorms then Mostly Cloudy
Chance Showers And T-Storms then Mostly Cloudy

Lo 73 °F		 NWS forecast: A chance of showers and thunderstorms before 10pm. Some of the storms could be severe. Mostly cloudy, with a low around 73. West wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.