Sun Valley Park Weather Forecast

    • 44
    • 58

    Mostly Cloudy

    • 60
    • 70

    Rain Showers

    • 46
    • 73

    Rain Showers

    • 38
    • 58

    Mostly Sunny

    • 49
    • 66

    Partly Sunny

    • 51
    • 75

    Partly Sunny

Today 14 Mar Central and Southeast Montgomery

Mostly cloudy in the Morning, then becoming partly sunny. Patchy fog in the morning. Highs in the upper 50s. East Winds around 5 Mph.

Tonight 14 Mar Central and Southeast Montgomery

Mostly cloudy. Lows in the upper 30s. East Winds around 5 Mph.

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Sun Valley Park Temperature Statistics

March Temperature

Washington/Dulles International Airport, DC (8.1 miles)

  • Lowest 3 March, 2025

    20.8 °F

  • Average March

    45.5 °F

  • Highest 11 March, 2025

    73 °F

Climate (2020–Present)

Washington/Dulles International Airport, DC (8.1 miles)

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  • Average Low 2020–2025

    47.7 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    68.2 °F
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