Great Falls Park Weather Forecast

    • 65
    • 91

    Rain Showers Likely

    • 58
    • 79

    Mostly Sunny

    • 62
    • 79

    Slight Chance Thunderstorms

    • 66
    • 85

    Partly Sunny

    • 69
    • 93

    Chance Thunderstorms

    • 62
    • 84

    Chance Rain Showers

    • 63
    • 84

    Mostly Sunny

Today 14 Jun Central and Southeast Montgomery

Partly sunny with scattered Showers and Thunderstorms. Highs in the lower 90s. South Winds 10 to 15 Mph. Chance of rain 40 percent.

Tonight 14 Jun Central and Southeast Montgomery

Mostly cloudy with Showers with a chance of Thunderstorms this Evening, then partly cloudy with a slight chance of Showers and Thunderstorms after midnight. Lows in the mid 60s. Southwest Winds 10 to 15 Mph, becoming west after midnight. Chance of rain 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Great Falls Park Temperature Statistics

June Temperature

Washington/Dulles International Airport, DC (11.2 miles)

  • Lowest 3 June, 2026

    50.6 °F

  • Average June

    73.5 °F

  • Highest 11 June, 2026

    94.6 °F

Climate (2021–Present)

Washington/Dulles International Airport, DC (11.2 miles)

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  • Average Low 2021–2026

    47.5 °F

  • Average 2021–2026

    58.2 °F

  • Average High 2021–2026

    68.6 °F
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