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Winter Weather Advisory WINTER WEATHER ADVISORY - Fairfax

Regional Radar Regional Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.
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Updated: @ 17-Jan-2026 9:35pm  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 33.6, Max: 43.5, Min: 33.3 33.6°F
Warmer 0.2°F than last hour.

Cold

Feels like: 34°F

  Today Yesterday
High: 43.5°F
3:33pm 		37.9°F
10:43pm
Low: 33.3°F
8:51pm 		19.9°F
6:52am
Calm SE
0
Gust:
 0 mph
0 Bft - Calm
Today: 14.1 mph 9:11am
Gust Month: 27.1 mph January 11
Rain Today: 0.02 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
This Month: 0.86 in
Season Total: 0.84 in
2 rain days in January.
Sunday

Sunday: Rain And Snow Likely
Rain And Snow Likely
Humidity & Barometer Almanac Moon
Humidity: 80 % Increased 3.3% since last hour.
Dew Point: 28°F Increased 1.1°F since last hour.
Barometer: 30.03 inHg Rising 0.02 inHg/hr
Baro Trend: Steady
Sunrise: 7:25am
Sunset: 5:13pm
Moonrise: 6:55am
Moonset: 4:00pm
New Moon
New Moon, Moon at 27 days in cycle
1%
Illuminated
UV Index Forecast UV Index Forecast
17-Jan-2026
1.7     Low 
18-Jan-2026
1.4     Low 
 NWS Weather Forecast  - Outlook: Tonight & Sunday
Tonight

Tonight: Mostly Cloudy then Slight Chance Light Snow
Mostly Cloudy then Slight Chance Light Snow

Lo 31 °F		 NWS forecast: A slight chance of snow between 1am and 2am, then a chance of rain between 2am and 4am, then rain and snow likely. Mostly cloudy, with a low around 31. North wind around 5 mph. Chance of precipitation is 60%. New snow accumulation of less than half an inch possible.
Davis VP+ forecast: Increasing clouds with little temperature change. Precipitation possible within 24 to 48 hours.
 
Sunday

Sunday: Rain And Snow Likely
Rain And Snow Likely

Hi 34 °F		 NWS forecast: Rain and snow likely. Cloudy, with a high near 34. North wind around 8 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.