South Clear Lake Weather Forecast

    • 53
    • 78

    Decreasing Clouds

    • 59
    • 79

    Mostly Sunny

    • 63
    • 83

    Partly Sunny

    • 63
    • 81

    Slight Chance Thunderstorms

    • 69
    • 85

    Chance Rain Showers

    • 59
    • 80

    Chance Rain Showers

Today 10 Sep Western St. Joseph

Mostly cloudy. Highs in the upper 70s. North Winds 5 to 10 Mph.

Tonight 10 Sep Western St. Joseph

Mostly clear. Lows in the lower 50s. North Winds 5 to 10 Mph in the Evening, becoming light and variable.

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South Clear Lake Temperature Statistics

September Temperature

South Bend International Airport (4.3 miles)

  • Lowest 7 September, 2026

    55.9 °F

  • Average September

    78.6 °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

    62 °F
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