Great Falls Lake Weather Forecast

    • 50
    • 80

    Mostly Sunny

    • 50
    • 79

    Partly Sunny

    • 48
    • 80

    Mostly Sunny

    • 51
    • 83

    Mostly Sunny

    • 60
    • 87

    Partly Sunny

    • 65
    • 89

    Slight Chance Rain Showers

Today 25 Sep Warren

Areas of fog this morning. Mostly sunny. Highs in the upper 70s. North Winds 5 to 10 Mph.

Tonight 25 Sep Warren

Mostly clear. Lows in the lower 50s. Northeast Winds around 5 Mph in the Evening, becoming light and variable.

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Great Falls Lake Temperature Statistics

September Temperature

McMinnville Warren County Memorial Airport (13.7 miles)

  • Lowest 13 September, 2026

    64.4 °F

  • Average September

    78.9 °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

    70.9 °F
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