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Mosby, VA Weather Forecast
Mosby, VA Weather Forecast Date: 455 AM EDT Wed Sep 02 2026
The area/counties/county of: Fairfax, including the cities of: Burke, Fairfax Station, Reston, Annandale, Chantilly, Langley, and Mclean.or toggle through each period.
Rest Of The Overnight... Partly cloudy with a 20% chance of showers. Lows in the mid 70s. North winds around 5 mph.
Today... Mostly sunny with a slight chance of showers in the morning, then mostly cloudy with scattered showers and thunderstorms in the afternoon. Highs in the upper 80s. North winds around 5 mph, becoming southeast in the afternoon. Chance of rain 50%.
Tonight... Scattered showers and thunderstorms in the evening, then numerous showers and thunderstorms after midnight. Lows in the mid 70s. Southeast winds around 5 mph. Chance of rain 70%.
Thursday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. South winds around 5 mph, becoming west in the afternoon. Chance of rain 40%. Heat index values up to 109 in the afternoon.
Thursday Night... Mostly cloudy with scattered showers and thunderstorms. Lows in the mid 70s. West winds 5 to 10 mph. Chance of rain 40%.
Friday... Showers likely with a chance of thunderstorms. Hot with highs in the lower 90s. Chance of rain 60%.
Friday Night... Mostly cloudy with a 50% chance of showers. Lows in the lower 70s.
Saturday... Mostly sunny. Highs in the mid 80s.
Saturday Night... Partly cloudy. Lows in the mid 60s.
Sunday... Sunny. Highs in the lower 80s.
Sunday Night... Mostly clear. Lows in the lower 60s.
Labor Day... Mostly sunny. Highs in the lower 80s.
Monday Night... Partly cloudy. Lows in the mid 60s.
POP = Probability of Precipitation
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