Sun Valley Park Weather Forecast

    • 9
    • 25

    Mostly Sunny

    • 21
    • 33

    Increasing Clouds

    • 32
    • 46

    Mostly Cloudy

    • 27
    • 44

    Mostly Cloudy

    • 23
    • 38

    Mostly Cloudy

    • 24
    • 39

    Partly Sunny

    • 27
    • 42

    Chance Snow

Today 8 Feb Central and Southeast Montgomery

Mostly sunny. Highs in the lower 20s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 8 Feb Central and Southeast Montgomery

Mostly clear. Cold with Lows around 9 above. Northwest Winds 5 to 10 Mph. Wind chill Values as low as 2 below.

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Sun Valley Park Temperature Statistics

February Temperature

Washington/Dulles International Airport, DC (8.1 miles)

  • Lowest 6 February, 2026

    9 °F

  • Average February

    26 °F

  • Highest 3 February, 2026

    39.9 °F

Climate (2021–Present)

Washington/Dulles International Airport, DC (8.1 miles)

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  • Average Low 2021–2026

    47.5 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    68.3 °F
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