South Clear Lake Weather Forecast

    • 63
    • 87

    Rain Showers Likely

    • 65
    • 77

    Rain Showers Likely

    • 60
    • 80

    Rain Showers Likely

    • 60
    • 78

    Chance Rain Showers

    • 63
    • 82

    Rain Showers Likely

    • 54
    • 74

    Chance Rain Showers

Today 15 Sep Western St. Joseph

Partly cloudy with a chance of Showers and Thunderstorms. Highs in the upper 80s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent. Heat index Values in the mid 90s this afternoon.

Tonight 15 Sep Western St. Joseph

A chance of Thunderstorms. Showers likely. Lows in the mid 60s. Northwest Winds 5 to 10 Mph, becoming north after midnight. Chance of rain 70 percent.

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South Clear Lake Temperature Statistics

September Temperature

South Bend International Airport (4.3 miles)

  • Lowest 11 September, 2026

    53.7 °F

  • Average September

    75.5 °F

  • Highest 2 September, 2026

    93.7 °F

Climate (2021–2026)

South Bend International Airport (4.3 miles)

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  • Average Low 2021–2026

    43.3 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    61.9 °F
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