Fairfax Weather Forecast

    • 40
    • 50

    Rain

    • 38
    • 52

    Rain

    • 28
    • 47

    Partly Sunny

    • 38
    • 46

    Mostly Cloudy

    • 39
    • 61

    Mostly Cloudy

    • 32
    • 51

    Mostly Cloudy

Today 30 Jan Arlington/Falls Church/Alexandria

Sunny. Highs around 50. East Winds around 5 Mph, becoming south this afternoon.

Tonight 30 Jan Arlington/Falls Church/Alexandria

Cloudy. A chance of rain in the Evening, then rain after midnight. Lows around 40. South Winds 5 to 10 Mph. Chance of rain 80 percent.

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Fairfax Temperature Statistics

January Temperature

Washington/Dulles International Airport, DC (9.3 miles)

  • Lowest 23 January, 2025

    4.7 °F

  • Average January

    29.8 °F

  • Highest 28 January, 2025

    51.1 °F

Climate (2020–Present)

Washington/Dulles International Airport, DC (9.3 miles)

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  • Average Low 2020–2025

    47.8 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    68.3 °F
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