Cotherman Lake Weather Forecast

    • 56
    • 80

    Mostly Sunny

    • 68
    • 85

    Partly Sunny

    • 63
    • 83

    Rain Showers Likely

    • 52
    • 77

    Mostly Sunny

    • 58
    • 78

    Partly Sunny

    • 61
    • 83

    Partly Sunny

Today 7 Sep St. Joseph

Sunny. Highs in the upper 70s. East Winds around 5 Mph.

Tonight 7 Sep St. Joseph

Mostly clear. Lows in the upper 50s. East Winds around 5 Mph.

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Cotherman Lake Temperature Statistics

September Temperature

Haines Memorial Airport (6.2 miles)

  • Lowest 5 September, 2026

    68 °F

  • Average September

    78.6 °F

  • Highest 2 September, 2026

    93.2 °F

Climate (2021–2026)

Haines Memorial Airport (6.2 miles)

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  • Average Low 2021–2026

    42.1 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    60.4 °F
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