Great Falls Park Weather Forecast

    • 39
    • 53

    Rain

    • 25
    • 45

    Partly Sunny

    • 37
    • 42

    Mostly Cloudy

    • 41
    • 59

    Mostly Cloudy

    • 36
    • 53

    Mostly Cloudy

    • 42
    • 50

    Chance Rain

Today 31 Jan Central and Southeast Montgomery

Rain. Highs in the lower 50s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

Tonight 31 Jan Central and Southeast Montgomery

Rain in the evening. Lows in the upper 30s. Southwest Winds 5 to 10 Mph, becoming west after midnight. Gusts up to 25 Mph. Chance of rain near 100 percent.

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Great Falls Park Temperature Statistics

January Temperature

Washington/Dulles International Airport, DC (11.2 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 (11.2 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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