South Haven Weather Forecast

    • 63
    • 79

    Sunny

    • 66
    • 82

    Mostly Sunny

    • 67
    • 80

    Rain Showers

    • 61
    • 76

    Rain Showers Likely

    • 63
    • 80

    Partly Sunny

    • 67
    • 83

    Slight Chance Thunderstorms

    • 68
    • 85

    Chance Rain Showers

Today 3 Aug Porter

Sunny. Temperatures in the upper 70s. Northeast Winds around 5 Mph.

Tonight 3 Aug Porter

Clear. Patchy fog late. Lows in the lower 60s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Haven Temperature Statistics

August Temperature

Valparaiso Porter County Municipal Airport (9.3 miles)

  • Lowest 1 August, 2026

    66 °F

  • Average August

    68.5 °F

  • Highest 1 August, 2026

    71.1 °F

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

    61.7 °F
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