Flood Watch FLOOD WATCH - Fairfax

Regional Radar Regional Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.
spacer
Updated: @ 09-Jul-2026 1:30pm  
Summary / Temperature Wind Rain Outlook
Mostly cloudy Mostly cloudy
Currently: 85.8, Max: 85.8, Min: 75.0 85.8°F
Warmer 3.7°F than last hour.

Warm

Feels like: 95°F

  Today Yesterday
High: 85.8°F
1:29pm
83.7°F
4:19pm
Low: 75°F
7:06am
71.1°F
8:56am
 Wind from SSW SSW
2
Gust:
0 mph
1 Bft - Light air
Today: 10.1 mph 10:38am
Gust Month: 19.9 mph July 04
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0.01 in
This Month: 0.03 in
Season Total: 3.36 in
day since last rain.
Tonight

Tonight: Widespread Showers And Thunderstorms then Partly Cloudy
Widespread Showers And T-Storms then Partly Cloudy
Humidity & Barometer Almanac Moon
Humidity: 70 % Decreased 7.9% since last hour.
Dew Point: 74.8°F Increased 0.3°F since last hour.
Barometer: 29.79 inHg Falling 0.03  inHg/hr
Baro Trend: Steady
Sunrise: 5:52am
Sunset: 8:36pm
Moonrise: 1:07am
Moonset: 3:47pm
Waning Crescent
Waning Crescent, Moon at 23 days in cycle
29%
Illuminated
UV Index Forecast UV Index Forecast
09-Jul-2026
9.4     Very High 
10-Jul-2026
9.3     Very High 
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Widespread Showers And Thunderstorms
Widespread Showers And T-Storms

Hi 86 °F
NWS forecast: Isolated rain showers before 2pm, then widespread showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 86. Southwest wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Davis VP+ forecast: Mostly cloudy with little temperature change. Precipitation likely.
 
Tonight

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

Lo 70 °F
NWS forecast: Widespread showers and thunderstorms before 8pm, then isolated showers and thunderstorms between 8pm and 9pm. Some of the storms could produce heavy rain. Partly cloudy, with a low around 70. West wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.