Great Falls Park Weather Forecast

    • 38
    • 64

    Mostly Sunny

    • 50
    • 65

    Partly Sunny

    • 58
    • 67

    Rain Showers

    • 53
    • 62

    Rain Showers

    • 54
    • 61

    Chance Rain Showers

    • 53
    • 68

    Partly Sunny

Today 9 Oct Central and Southeast Montgomery

Sunny. Highs in the mid 60s. Northeast Winds around 5 Mph.

Tonight 9 Oct Central and Southeast Montgomery

Mostly clear. Lows in the upper 30s. Northeast Winds 5 to 10 Mph.

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Great Falls Park Temperature Statistics

October Temperature

Washington/Dulles International Airport, DC (11.2 miles)

  • Lowest 2 October, 2025

    44.1 °F

  • Average October

    64.4 °F

  • Highest 6 October, 2025

    82.9 °F

Climate (2020–Present)

Washington/Dulles International Airport, DC (11.2 miles)

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  • Average Low 2020–2025

    47.9 °F

  • Average 2020–2025

    58.3 °F

  • Average High 2020–2025

    68.6 °F
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