South Haven Weather Forecast

    • 76
    • 93

    Slight Chance Thunderstorms

    • 72
    • 91

    Chance Thunderstorms

    • 70
    • 88

    Chance Thunderstorms

    • 66
    • 84

    Chance Rain Showers

    • 64
    • 83

    Partly Sunny

    • 64
    • 82

    Partly Sunny

    • 68
    • 83

    Partly Sunny

Today 2 Sep Porter

Mostly sunny. Temperatures in the lower 90s. West Winds around 10 Mph. Heat index Values up to 103.

Tonight 2 Sep Porter

Mostly clear in the Evening, then becoming partly cloudy. A slight chance of Showers and Thunderstorms late. Lows in the mid 70s. Southwest Winds 5 to 10 Mph. Chance of precipitation 20 percent.

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South Haven Temperature Statistics

September Temperature

Valparaiso Porter County Municipal Airport (9.3 miles)

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Climate (2021–2026)

Valparaiso Porter County Municipal Airport (9.3 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    52.1 °F

  • Average High 2021–2026

    61.6 °F
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