Hess Lake Weather Forecast

    • 57
    • 86

    Sunny

    • 56
    • 86

    Mostly Sunny

    • 56
    • 83

    Mostly Sunny

    • 58
    • 83

    Mostly Sunny

    • 59
    • 84

    Chance Rain Showers

    • 56
    • 80

    Chance Rain Showers

    • 55
    • 76

    Chance Rain Showers

Today 14 Sep Southern Berrien

Sunny. Near steady temperature in the lower 80s. East Winds 5 to 10 Mph.

Tonight 14 Sep Southern Berrien

Clear. Lows in the upper 50s. East Winds 5 to 10 Mph.

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Hess Lake Temperature Statistics

September Temperature

Southwest Michigan Regional Airport (11.8 miles)

  • Lowest 8 September, 2025

    39.9 °F

  • Average September

    60.1 °F

  • Highest 12 September, 2025

    80.1 °F

Climate (2020–Present)

Southwest Michigan Regional Airport (11.8 miles)

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  • Average Low 2020–2025

    43.4 °F

  • Average 2020–2025

    52 °F

  • Average High 2020–2025

    60.6 °F
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