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Flood Watch FLOOD WATCH - Fairfax City

Regional Radar Regional Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.
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Updated: @ 09-Jul-2026 10:30am  
Summary / Temperature Wind Rain Outlook
Overcast Overcast
Currently: 78.1, Max: 78.1, Min: 74.7 78.1°F
Warmer 0.8°F than last hour.

Comfortable

Feels like: 78°F

  Today Yesterday
High: 78.1°F
10:06am 		86.5°F
5:16pm
Low: 74.7°F
2:22am 		74.7°F
3:18am
Wind from WSW WSW
0.9
Gust:
 2 mph
0 Bft - Calm
Today: 6.9 mph 9:45am
Gust Month: 19.0 mph July 04
Rain Today: 0.1 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
This Month: 0.74 in
Season Total: 13.82 in
4 rain days in July.
Tonight

Tonight: Showers And Thunderstorms Likely then Partly Cloudy
Showers And T-Storms Likely then Partly Cloudy
Humidity & Barometer Almanac Moon
Humidity: 95 % Decreased 1.3% since last hour.
Dew Point: 76.5°F Increased 0.3°F since last hour.
Barometer: 29.93 inHg  
Baro Trend: Steady
Sunrise: 5:56am
Sunset: 8:35pm
Moonrise: 1:10am
Moonset: 3:46pm
Waning Crescent
Waning Crescent, Moon at 23 days in cycle
30%
Illuminated
UV Index Solar Radiation
   1.2     Low 
High: 2.4 @ 9:33am
158.0 W/m2 (15 %)
High: 684 @  9:42am
 NWS Weather Forecast  - Outlook: Today & Tonight
Today

Today: Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
Chance Showers And T-Storms then Slight Chance Showers And T-Storms

Hi 89 °F		 NWS forecast: A chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers and thunderstorms likely between 2pm and 5pm, then showers and thunderstorms likely. Partly sunny, with a high near 89. Southwest wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Davis VP+ forecast: Increasing clouds with little temperature change.
 
Tonight

Tonight: Showers And Thunderstorms Likely then Partly Cloudy
Showers And T-Storms Likely then Partly Cloudy

Lo 69 °F		 NWS forecast: Showers and thunderstorms likely before 11pm. Partly cloudy, with a low around 69. West wind 1 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.