Great Falls Lake Weather Forecast

    • 51
    • 73

    Increasing Clouds

    • 54
    • 78

    Partly Sunny

    • 54
    • 82

    Rain Showers Likely

    • 42
    • 68

    Sunny

    • 52
    • 72

    Mostly Sunny

    • 49
    • 77

    Mostly Sunny

Today 8 May Warren

Sunny. Highs in the lower 70s. Light and variable Winds, becoming southwest around 5 Mph this afternoon.

Tonight 8 May Warren

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 50s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Great Falls Lake Temperature Statistics

May Temperature

McMinnville Warren County Memorial Airport (13.7 miles)

  • Lowest 1 May, 2026

    41 °F

  • Average May

    59.4 °F

  • Highest 4 May, 2026

    78.8 °F

Climate (2021–Present)

McMinnville Warren County Memorial Airport (13.7 miles)

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  • Average Low 2021–2026

    48.2 °F

  • Average 2021–2026

    59.3 °F

  • Average High 2021–2026

    70.5 °F
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