| National Weather Service Forecast for:
Fairfax, VA Issued by: National Weather Service Baltimore/Washington |
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| Updated: Wed, 11-Mar-2026 11:56pm EDT | ||||||||||||||||||||||||||||||||||||||||
| Fairfax | ||||||||||||||||||||||||||||||||||||||||
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| Overnight |
A chance of rain after 3am. Mostly cloudy. Low around 42, with temperatures rising to around 61 overnight. West wind 10 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Thursday |
Rain before 10am, then rain and snow between 10am and 5pm. Cloudy, with a high near 45. Northwest wind 13 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible. |
| Thursday Night |
Mostly clear, with a low around 30. West wind 3 to 12 mph, with gusts as high as 21 mph. New rainfall amounts less than a tenth of an inch possible. |
| Friday |
Mostly sunny, with a high near 52. South wind 6 to 20 mph, with gusts as high as 33 mph. |
| Friday Night |
Mostly clear, with a low around 41. Southwest wind 9 to 17 mph, with gusts as high as 30 mph. |
| Saturday |
Mostly sunny, with a high near 56. |
| Saturday Night |
Mostly cloudy, with a low around 40. |
| Sunday |
Mostly cloudy, with a high near 61. |
| Sunday Night |
Rain showers likely after 8pm. Mostly cloudy, with a low around 53. Chance of precipitation is 70%. |
| Monday |
Rain showers. Cloudy, with a high near 69. Chance of precipitation is 90%. |
| Monday Night |
Rain showers before 2am, then a slight chance of rain and snow showers. Partly cloudy, with a low around 29. Chance of precipitation is 90%. |
| Tuesday |
A slight chance of rain and snow showers before 8am. Mostly sunny, with a high near 40. |
| Tuesday Night |
Mostly clear, with a low around 25. |
| Wednesday |
Mostly sunny, with a high near 43. |
Forecast from NOAA-NWS for Fairfax, VA.