South Haven Weather Forecast

    • 66
    • 83

    Thunderstorms Likely

    • 66
    • 77

    Chance Rain Showers

    • 66
    • 76

    Mostly Sunny

    • 64
    • 79

    Mostly Sunny

    • 67
    • 87

    Partly Sunny

    • 66
    • 87

    Rain Showers Likely

    • 64
    • 81

    Chance Thunderstorms

Today 4 Jul Porter

Partly cloudy late in the Morning, then becoming mostly cloudy. A slight chance of Showers and Thunderstorms late in the Morning, then Showers likely and a chance of Thunderstorms in the afternoon. Highs in the mid 80s Inland, but only in the upper 70s near the lake. Temperature falling into the mid 70s in the afternoon. Northwest Winds 5 to 10 Mph. Chance of precipitation 70 percent.

Tonight 4 Jul Porter

Showers early in the evening. A slight chance of Thunderstorms until early morning. A slight chance of Showers in the late evening and early morning. Lows in the mid 60s. North Winds around 5 Mph. Chance of precipitation near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Haven Temperature Statistics

July Temperature

Valparaiso Porter County Municipal Airport (9.3 miles)

  • Lowest 2 July, 2026

    75 °F
  • Average July

    84.3 °F
  • Highest 1 July, 2026

    92.6 °F

Climate (2021–2026)

Valparaiso Porter County Municipal Airport (9.3 miles)

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  • Average Low 2021–2026

    42.6 °F
  • Average 2021–2026

    52.1 °F
  • Average High 2021–2026

    61.7 °F
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