Great Falls Lake Weather Forecast

    • 70
    • 92

    Rain Showers Likely

    • 69
    • 90

    Chance Thunderstorms

    • 67
    • 88

    Chance Thunderstorms

    • 66
    • 89

    Mostly Sunny

    • 64
    • 88

    Partly Sunny

    • 65
    • 88

    Partly Sunny

    • 68
    • 90

    Slight Chance Thunderstorms

Today 19 Aug Warren

Mostly sunny. Near steady temperature in the upper 80s. Light and variable Winds.

Tonight 19 Aug Warren

Partly cloudy. A chance of Showers and Thunderstorms after midnight. Lows around 70. South Winds around 5 Mph. Chance of rain 50 percent.

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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

    77.8 °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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