Great Falls Weather Forecast

    • 43
    • 58

    Rain Showers

    • 46
    • 69

    Mostly Sunny

    • 52
    • 67

    Rain Showers Likely

    • 51
    • 69

    Rain Showers

    • 44
    • 63

    Slight Chance Rain Showers

    • 43
    • 63

    Chance Rain Showers

Today 26 Apr Central and Southeast Montgomery

Cloudy. Patchy drizzle in the morning. Highs in the upper 50s. Northeast Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 26 Apr Central and Southeast Montgomery

Mostly cloudy in the Evening, then clearing. Lows in the lower 40s. Northeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Great Falls Temperature Statistics

April Temperature

Washington/Dulles International Airport, DC (9.3 miles)

  • Lowest 8 April, 2026

    32.6 °F

  • Average April

    63 °F

  • Highest 16 April, 2026

    92.6 °F

Climate (2021–Present)

Washington/Dulles International Airport, DC (9.3 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    58.2 °F

  • Average High 2021–2026

    68.6 °F
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