Great Falls Lake Weather Forecast

    • 73
    • 91

    Mostly Sunny

    • 73
    • 92

    Chance Thunderstorms

    • 73
    • 92

    Chance Thunderstorms

    • 75
    • 93

    Partly Sunny

    • 74
    • 94

    Slight Chance Thunderstorms

    • 75
    • 94

    Mostly Sunny

    • 74
    • 96

    Mostly Sunny

Today 10 Aug Warren

Sunny. Near steady temperature in the upper 80s. West Winds around 5 Mph.

Tonight 10 Aug Warren

Mostly clear. Lows in the lower 70s. Southwest Winds around 5 Mph.

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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 2 August, 2026

    66.2 °F

  • Average August

    75 °F

  • Highest 7 August, 2026

    89.6 °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

    70.6 °F
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