Great Falls Weather Forecast

    • 43
    • 57

    Rain Showers

    • 32
    • 52

    Mostly Sunny

    • 47
    • 60

    Mostly Sunny

    • 48
    • 72

    Chance Rain Showers

    • 55
    • 77

    Mostly Sunny

    • 58
    • 82

    Partly Sunny

Today 19 Apr Central and Southeast Montgomery

Cloudy with Showers in the Morning, then partly sunny in the afternoon. Cooler with Highs in the upper 50s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 80 percent.

Tonight 19 Apr Central and Southeast Montgomery

Mostly cloudy with scattered Showers. Lows around 50. North Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

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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

    62.9 °F

  • Highest 16 April, 2026

    91.9 °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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