Great Falls Lake Weather Forecast

    • 70
    • 96

    Mostly Sunny

    • 70
    • 98

    Hot

    • 69
    • 97

    Hot

    • 70
    • 96

    Slight Chance Thunderstorms

    • 69
    • 96

    Slight Chance Thunderstorms

    • 67
    • 93

    Chance Thunderstorms

Today 16 Sep Warren

Sunny, hot with Highs in the mid 90s. South Winds around 5 Mph, becoming northeast this afternoon.

Tonight 16 Sep Warren

Mostly clear. Lows around 70. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Great Falls Lake Temperature Statistics

September Temperature

McMinnville Warren County Memorial Airport (13.7 miles)

  • Lowest 13 September, 2026

    64.4 °F

  • Average September

    79.3 °F

  • Highest 3 September, 2026

    98.6 °F

Climate (2021–2026)

McMinnville Warren County Memorial Airport (13.7 miles)

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  • Average Low 2021–2026

    48.5 °F

  • Average 2021–2026

    59.6 °F

  • Average High 2021–2026

    70.8 °F
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