Weather forecast for: Fairfax VA
Last Update: 7:42 am EDT Sep 16, 2026
Today: Sunny, with a high near 85. Calm wind becoming south around 6 mph in the morning.
Tonight: Partly cloudy, with a low around 65. South wind 3 to 5 mph.
Thursday: Mostly sunny, with a high near 88. South wind around 6 mph.
Thursday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 70. Light and variable wind. Chance of precipitation is 30%.
Friday: Partly sunny, with a high near 84. North wind 7 to 9 mph.
Friday Night: Partly cloudy, with a low around 63.
Saturday: Mostly sunny, with a high near 80.
Saturday Night: Mostly cloudy, with a low around 64.
Sunday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.
Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Monday: A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 50%.
Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.
Tuesday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Chance of precipitation is 40%.