Garrison Lake Weather Forecast

    • 50
    • 77

    Sunny

    • 52
    • 78

    Mostly Sunny

    • 59
    • 80

    Chance Rain Showers

    • 60
    • 82

    Slight Chance Rain Showers

    • 61
    • 86

    Mostly Sunny

    • 63
    • 89

    Mostly Sunny

    • 65
    • 89

    Partly Sunny

Today 6 Sep Anderson

Sunny, warmer with Highs in the mid 70s. West Winds around 5 Mph.

Tonight 6 Sep Anderson

Clear. Lows around 50. Southwest Winds around 5 Mph, becoming north around 5 Mph after midnight.

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Garrison Lake Temperature Statistics

September Temperature

Chanute, Chanute Martin Johnson Airport (41 miles)

  • Lowest 3 September, 2025

    60.1 °F

  • Average September

    69.9 °F

  • Highest 3 September, 2025

    84 °F

Climate (2020–Present)

Chanute, Chanute Martin Johnson Airport (41 miles)

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  • Average Low 2020–2025

    48.8 °F

  • Average 2020–2025

    59.9 °F

  • Average High 2020–2025

    71.4 °F
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