South Clear Lake Weather Forecast

    • 58
    • 86

    Mostly Sunny

    • 60
    • 86

    Slight Chance Thunderstorms

    • 60
    • 82

    Chance Rain Showers

    • 60
    • 82

    Chance Rain Showers

    • 60
    • 79

    Chance Thunderstorms

    • 55
    • 74

    Chance Rain Showers

Today 18 Sep Western St. Joseph

Sunny. Highs in the mid 80s. Southeast Winds around 5 Mph, becoming west around 5 Mph this afternoon.

Tonight 18 Sep Western St. Joseph

Clear. Lows in the upper 50s. North Winds around 5 Mph, becoming east around 5 Mph after midnight.

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South Clear Lake Temperature Statistics

September Temperature

South Bend International Airport (4.3 miles)

  • Lowest 8 September, 2025

    41 °F

  • Average September

    63 °F

  • Highest 14 September, 2025

    84.9 °F

Climate (2020–Present)

South Bend International Airport (4.3 miles)

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  • Average Low 2020–2025

    43.4 °F

  • Average 2020–2025

    52.5 °F

  • Average High 2020–2025

    61.8 °F
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