South Haven Weather Forecast

    • 34
    • 44

    Increasing Clouds

    • 38
    • 53

    Mostly Cloudy

    • 42
    • 65

    Chance Rain

    • 22
    • 50

    Partly Sunny

    • 26
    • 39

    Mostly Sunny

    • 32
    • 52

    Mostly Sunny

Today 23 Mar Wright

Mostly sunny. Near steady temperature in the lower 40s. South Winds 5 to 15 Mph.

Tonight 23 Mar Wright

Not as cold. Mostly cloudy. Chance of Sprinkles in the evening. Lows in the mid 30s. South Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Haven Temperature Statistics

March Temperature

Maple Lake, Maple Lake Municipal Airport (11.2 miles)

  • Lowest 16 March, 2026

    4.1 °F

  • Average March

    35.6 °F

  • Highest 21 March, 2026

    73 °F

Climate (2021–Present)

Maple Lake, Maple Lake Municipal Airport (11.2 miles)

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  • Average Low 2021–2026

    37.5 °F

  • Average 2021–2026

    46.9 °F

  • Average High 2021–2026

    56.1 °F
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