Clear Lake Weather Forecast

    • 44
    • 65

    Mostly Cloudy

    • 42
    • 64

    Mostly Sunny

    • 47
    • 61

    Rain Showers

    • 43
    • 63

    Partly Sunny

    • 47
    • 65

    Mostly Cloudy

    • 47
    • 68

    Partly Sunny

    • 47
    • 68

    Partly Sunny

Today 12 Sep South Cass

Partly sunny and much cooler. Near steady temperature in the mid 60s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 12 Sep South Cass

Mostly cloudy. Lows in the mid 40s. Northwest 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 10 September, 2026

    43 °F

  • Average September

    67.5 °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

    32.4 °F

  • Average 2021–2026

    42.9 °F

  • Average High 2021–2026

    52.6 °F
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