Great Falls Lake Weather Forecast

    • 71
    • 93

    Mostly Sunny

    • 73
    • 94

    Mostly Sunny

    • 74
    • 96

    Mostly Sunny

    • 73
    • 96

    Mostly Sunny

    • 72
    • 95

    Slight Chance Thunderstorms

    • 68
    • 93

    Slight Chance Thunderstorms

    • 66
    • 91

    Slight Chance Thunderstorms

Today 31 Aug Warren

Sunny with a slight chance of Showers and Thunderstorms. Near steady temperature around 90. Light and variable Winds. Chance of rain 20 percent.

Tonight 31 Aug Warren

Mostly clear. Lows in the lower 70s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Great Falls Lake Temperature Statistics

August Temperature

McMinnville Warren County Memorial Airport (13.7 miles)

  • Lowest 24 August, 2026

    57.2 °F

  • Average August

    76.7 °F

  • Highest 17 August, 2026

    95 °F

Climate (2021–2026)

McMinnville Warren County Memorial Airport (13.7 miles)

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  • Average Low 2021–2026

    48.4 °F

  • Average 2021–2026

    59.5 °F

  • Average High 2021–2026

    70.7 °F
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