| National Weather Service Forecast for:
Fairfax, VA Issued by: National Weather Service Baltimore/Washington |
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| Updated: Mon, 03-Aug-2026 4:53am EDT | ||||||||||||||||||||||||||||||||||||||||
| Fairfax | ||||||||||||||||||||||||||||||||||||||||
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| Overnight |
A chance of showers and thunderstorms. Cloudy, with a low around 72. South wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Monday |
A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms between 8am and 10am, then a slight chance of showers and thunderstorms between 10am and noon, then a chance of showers and thunderstorms between 1pm and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. West wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Monday Night |
Partly cloudy, with a low around 68. North wind 2 to 6 mph. New rainfall amounts less than a tenth of an inch possible. |
| Tuesday |
Mostly cloudy, with a high near 85. Northeast wind around 6 mph. |
| Tuesday Night |
A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 69. East wind 1 to 6 mph. Chance of precipitation is 40%. |
| Wednesday |
Showers and thunderstorms likely. Partly sunny, with a high near 86. Chance of precipitation is 60%. |
| Wednesday Night |
Showers and thunderstorms likely before 8pm. Mostly cloudy, with a low around 72. Chance of precipitation is 60%. |
| Thursday |
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 30%. |
| Thursday Night |
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73. Chance of precipitation is 30%. |
| Friday |
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 40%. |
| Friday Night |
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 40%. |
| Saturday |
Showers and thunderstorms likely after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 60%. |
| Saturday Night |
Showers and thunderstorms likely before 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%. |
| Sunday |
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. |
Forecast from NOAA-NWS for Fairfax, VA.




