South Clear Lake Weather Forecast

    • 61
    • 75

    Slight Chance Thunderstorms

    • 63
    • 85

    Rain Showers

    • 66
    • 77

    Rain Showers Likely

    • 62
    • 80

    Chance Rain Showers

    • 63
    • 79

    Rain Showers Likely

    • 59
    • 77

    Rain Showers Likely

Today 14 Sep Western St. Joseph

Mostly sunny. Highs in the mid 70s. Southeast Winds 5 to 10 Mph.

Tonight 14 Sep Western St. Joseph

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 60s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

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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