Great Falls Weather Forecast

    • 52
    • 73

    Mostly Sunny

    • 62
    • 74

    Chance Rain

    • 61
    • 75

    Rain Likely

    • 50
    • 70

    Rain Likely

    • 43
    • 64

    Partly Sunny

    • 42
    • 61

    Slight Chance Rain

    • 39
    • 61

    Slight Chance Rain

Today 3 Nov Central and Southeast Montgomery

Sunny. Highs in the lower 60s.

Tonight 3 Nov Central and Southeast Montgomery

Mostly clear. Lows in the lower 50s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Great Falls Temperature Statistics

November Temperature

Washington/Dulles International Airport, DC (9.3 miles)

  • Lowest 1 November, 2026

    43 °F

  • Average November

    54.1 °F

  • Highest 1 November, 2026

    64.9 °F

Climate (2021–2026)

Washington/Dulles International Airport, DC (9.3 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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