Great Falls Weather Forecast

    • 58
    • 72

    Partly Sunny

    • 63
    • 84

    Mostly Cloudy

    • 66
    • 89

    Partly Sunny

    • 69
    • 93

    Mostly Cloudy

    • 67
    • 92

    Chance Rain Showers

    • 63
    • 85

    Chance Rain Showers

Today 12 Apr Central and Southeast Montgomery

Mostly sunny. Highs in the lower 70s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 12 Apr Central and Southeast Montgomery

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 50s. South Winds around 10 Mph with Gusts up to 20 Mph.

Graph Plots Open in Graphs

  • 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

    59.2 °F

  • Highest 4 April, 2026

    87.7 °F

Climate (2021–Present)

Washington/Dulles International Airport, DC (9.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    47.5 °F

  • Average 2021–2026

    58.2 °F

  • Average High 2021–2026

    68.5 °F
Get WillyWeather+ to remove ads