South Haven Weather Forecast

    • 51
    • 70

    Increasing Clouds

    • 48
    • 67

    Partly Sunny

    • 51
    • 65

    Rain Showers

    • 46
    • 67

    Partly Sunny

    • 50
    • 65

    Mostly Cloudy

    • 50
    • 68

    Slight Chance Rain Showers

Today 12 Sep Wright

Cooler, sunny. Highs in the lower 70s. Northwest Winds 10 to 15 Mph.

Tonight 12 Sep Wright

Mostly cloudy after midnight then clearing. Lows in the upper 50s. Northwest Winds 10 to 15 Mph with Gusts to around 30 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

South Haven Temperature Statistics

September Temperature

Maple Lake, Maple Lake Municipal Airport (11.2 miles)

  • Lowest 9 September, 2026

    57.6 °F

  • Average September

    74.1 °F

  • Highest 3 September, 2026

    88.7 °F

Climate (2021–2026)

Maple Lake, Maple Lake Municipal Airport (11.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    37.6 °F

  • Average 2021–2026

    46.9 °F

  • Average High 2021–2026

    56.1 °F
Get WillyWeather+ to remove ads