| National Weather Service Forecast for:
Fairfax, VA Issued by: National Weather Service Baltimore/Washington |
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| Updated: Fri, 18-Sep-2026 7:52am EDT | ||||||||||||||||||||||||||||||||||||||||
| Fairfax | ||||||||||||||||||||||||||||||||||||||||
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| Today |
Partly sunny, with a high near 84. North wind around 8 mph. |
| Tonight |
Mostly cloudy, with a low around 62. North wind around 7 mph. |
| Saturday |
Partly sunny, with a high near 78. Northeast wind around 7 mph. |
| Saturday Night |
Mostly cloudy, with a low around 66. Southeast wind around 7 mph. |
| Sunday |
A chance of rain showers between 2pm and 5pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 83. South wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. |
| Sunday Night |
Showers and thunderstorms likely. Mostly cloudy, with a low around 66. Chance of precipitation is 60%. |
| Monday |
A chance of rain showers. Mostly cloudy, with a high near 77. Chance of precipitation is 50%. |
| Monday Night |
Rain showers likely. Mostly cloudy, with a low around 62. Chance of precipitation is 60%. |
| Tuesday |
Rain showers likely. Mostly cloudy, with a high near 69. Chance of precipitation is 60%. |
| Tuesday Night |
Rain showers likely. Mostly cloudy, with a low around 57. Chance of precipitation is 60%. |
| Wednesday |
Rain showers likely. Mostly cloudy, with a high near 63. Chance of precipitation is 60%. |
| Wednesday Night |
A chance of rain showers. Mostly cloudy, with a low around 57. Chance of precipitation is 50%. |
| Thursday |
A chance of rain showers. Mostly cloudy, with a high near 68. Chance of precipitation is 50%. |
| Thursday Night |
A chance of rain showers. Mostly cloudy, with a low around 56. |
Forecast from NOAA-NWS for Fairfax, VA.