Great Falls Park Weather Forecast

    • 63
    • 67

    Chance Rain Showers

    • 64
    • 80

    Rain Showers Likely

    • 65
    • 80

    Chance Thunderstorms

    • 64
    • 85

    Rain Showers Likely

    • 60
    • 78

    Rain Showers

    • 53
    • 72

    Chance Rain Showers

    • 51
    • 68

    Slight Chance Rain Showers

Today 5 May Central and Southeast Montgomery

Cloudy. Highs in the mid 60s. South Winds around 10 Mph.

Tonight 5 May Central and Southeast Montgomery

Cloudy. Scattered Showers with isolated Thunderstorms late this Evening, then isolated Showers. Areas of fog. Lows in the lower 60s. South Winds around 5 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Great Falls Park Temperature Statistics

May Temperature

Washington/Dulles International Airport, DC (11.2 miles)

  • Lowest 3 May, 2024

    55 °F

  • Average May

    71.9 °F

  • Highest 2 May, 2024

    90 °F

Climate (2019–Present)

Washington/Dulles International Airport, DC (11.2 miles)

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  • Average Low 2019–2024

    47.9 °F

  • Average 2019–2024

    58 °F

  • Average High 2019–2024

    68.1 °F
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