South Clear Lake Weather Forecast

    • 63
    • 79

    Chance Thunderstorms

    • 59
    • 74

    Chance Rain Showers

    • 54
    • 73

    Mostly Sunny

    • 55
    • 74

    Partly Sunny

    • 60
    • 77

    Slight Chance Thunderstorms

    • 62
    • 78

    Chance Rain Showers

Today 21 Aug Western St. Joseph

Mostly sunny Early, then becoming partly cloudy. Highs in the upper 70s. Light and variable Winds, becoming southeast around 5 Mph this Morning, then becoming southwest around 5 Mph this afternoon.

Tonight 21 Aug Western St. Joseph

Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then mostly cloudy with a chance of Showers and Thunderstorms after midnight. Lows in the lower 60s. South Winds around 5 Mph. Chance of rain 40 percent.

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South Clear Lake Temperature Statistics

August Temperature

South Bend International Airport (4.3 miles)

  • Lowest 9 August, 2026

    59.6 °F

  • Average August

    73.6 °F

  • Highest 7 August, 2026

    87.7 °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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