Clear Lake Weather Forecast

    • 52
    • 60

    Rain Showers

    • 48
    • 71

    Gradual Clearing

    • 57
    • 69

    Rain Showers

    • 50
    • 66

    Rain Showers

    • 49
    • 70

    Partly Sunny

    • 43
    • 65

    Partly Sunny

    • 43
    • 62

    Partly Sunny

Today 26 Sep South Cass

Partly sunny. Highs around 60.

Tonight 26 Sep South Cass

Cloudy with a 50 percent chance of Showers. Patchy fog. Near steady temperature in the mid 50s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Temperature Statistics

September Temperature

Pine River Regional Airport (4.3 miles)

  • Lowest 14 September, 2026

    36.3 °F

  • Average September

    60.6 °F

  • Highest 3 September, 2026

    83.7 °F

Climate (2021–2026)

Pine River Regional Airport (4.3 miles)

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  • Average Low 2021–2026

    32.5 °F

  • Average 2021–2026

    42.9 °F

  • Average High 2021–2026

    52.5 °F
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