Great Falls Weather Forecast

    • 58
    • 81

    Becoming Sunny

    • 68
    • 86

    Slight Chance Rain Showers

    • 72
    • 90

    Chance Thunderstorms

    • 74
    • 95

    Chance Thunderstorms

    • 70
    • 93

    Chance Thunderstorms

    • 70
    • 90

    Chance Rain Showers

Today 8 Jun Central and Southeast Montgomery

Partly sunny. Highs in the lower 80s. East Winds around 10 Mph.

Tonight 8 Jun Central and Southeast Montgomery

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 50s. Southeast Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Great Falls Temperature Statistics

June Temperature

Washington/Dulles International Airport, DC (9.3 miles)

  • Lowest 3 June, 2026

    50.6 °F

  • Average June

    69.1 °F

  • Highest 5 June, 2026

    89.7 °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

    68.6 °F
Get WillyWeather+ to remove ads