South Haven Weather Forecast

    • 46
    • 69

    Mostly Sunny

    • 54
    • 71

    Partly Sunny

    • 55
    • 74

    Rain Showers

    • 56
    • 67

    Rain Showers

    • 53
    • 69

    Chance Rain Showers

    • 49
    • 69

    Slight Chance Rain Showers

Today 15 Sep Wright

Partly cloudy early in the morning then clearing. Patchy fog early in the morning. Highs in the upper 60s. West Winds 5 to 15 Mph with Gusts to around 30 Mph.

Tonight 15 Sep Wright

Mostly clear. Lows in the upper 40s. Northwest Winds up to 5 Mph in the evening becoming light.

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South Haven Temperature Statistics

September Temperature

Maple Lake, Maple Lake Municipal Airport (11.2 miles)

  • Lowest 10 September, 2026

    50.9 °F

  • Average September

    72.9 °F

  • Highest 3 September, 2026

    88.7 °F

Climate (2021–2026)

Maple Lake, Maple Lake Municipal Airport (11.2 miles)

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  • Average Low 2021–2026

    37.6 °F

  • Average 2021–2026

    47 °F

  • Average High 2021–2026

    56.1 °F
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