Sun Valley Park Weather Forecast

    • 72
    • 91

    Mostly Sunny

    • 74
    • 94

    Slight Chance Thunderstorms

    • 71
    • 90

    Rain Showers Likely

    • 71
    • 88

    Rain Showers Likely

    • 70
    • 87

    Chance Thunderstorms

    • 66
    • 85

    Slight Chance Thunderstorms

Today 9 Aug Central and Southeast Montgomery

Mostly sunny. Highs in the lower 90s. West Winds around 5 Mph.

Tonight 9 Aug Central and Southeast Montgomery

Mostly clear. Lows in the lower 70s. West Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Real-Time

Sun Valley Park Temperature Statistics

August Temperature

Washington/Dulles International Airport, DC (8.1 miles)

  • Lowest 1 August, 2026

    65.6 °F

  • Average August

    79.3 °F

  • Highest 6 August, 2026

    91 °F

Climate (2021–2026)

Washington/Dulles International Airport, DC (8.1 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    58.3 °F

  • Average High 2021–2026

    68.6 °F
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