10-Day Weather Forecast - Fairfax, VA

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  • |70°F
    70% Chance of Storms
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    Tonight

    70°F

    Mostly cloudy. Showers and thunderstorms likely this evening then a slight chance of showers after midnight. Some thunderstorms may produce damaging winds and heavy rainfall this evening. Lows in the upper 60s. North winds 5 to 10 mph. Chance of rain 70 percent.

    Hourly details
  • Day

    74°F

    Mostly cloudy with a slight chance of showers and thunderstorms. Highs in the upper 70s. North winds around 10 mph with gusts up to 20 mph. Chance of rain 20 percent.

    Night

    67°F

    Mostly cloudy with a slight chance of showers and thunderstorms in the evening then mostly clear after midnight. Lows in the lower 60s. North winds 5 to 10 mph. Chance of rain 20 percent.

    Hourly details
  • Weekend Weather

  • Day

    78°F

    Sunny. Highs in the lower 80s. North winds 5 to 10 mph.

    Night

    63°F

    Mostly clear. Lows in the lower 60s. Northeast winds 5 to 10 mph.

    Hourly details
  • Day

    81°F

    Sunny. Highs in the lower 80s.

    Night

    64°F

    Mostly clear. Lows in the lower 60s.

    Hourly details
  • Day

    83°F

    Sunny. Highs in the mid 80s.

    Night

    67°F

    Partly cloudy. Lows in the mid 60s.

    Hourly details
  • Day

    83°F

    Partly sunny. Highs in the mid 80s.

    Night

    68°F

    Mostly cloudy. Lows in the mid 60s.

    Hourly details
  • Day

    80°F

    Partly sunny with a chance of showers. Highs in the lower 80s. Chance of rain 30 percent.

    Night

    71°F

    Mostly cloudy with a chance of showers. Lows in the upper 60s. Chance of rain 30 percent.

    Hourly details
  • Day

    82°F

    Partly sunny with a chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 30 percent.

    Night

    73°F

    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 73F. Dew point will be around 70F with an average humidity of 83%. Winds will be 3 mph from the SE.

  • Day

    85°F

    Sunny with a chance of rain. Chance of precipitation 35%. High temperature around 85F. Dew point will be around 72F with an average humidity of 76%. Winds will be 3 mph from the S.

    Night

    75°F

    Mostly clear with a chance of rain. Chance of precipitation 35%. Low temperature around 75F. Dew point will be around 71F with an average humidity of 84%. Winds will be 2 mph from the S.

  • Weekend Weather

  • Day

    89°F

    Mostly sunny with a 25% chance for rain and thunderstorms. High temperature around 89F. Dew point will be around 73F with an average humidity of 71%. Winds will be 3 mph from the S.

    Night

    78°F

    Clear with a 30% chance for rain and thunderstorms. Low temperature around 78F. Dew point will be around 72F with an average humidity of 77%. Winds will be 2 mph from the S.