Clear Lake Weather Forecast

    • 52
    • 77

    Mostly Sunny

    • 62
    • 79

    Breezy

    • 55
    • 81

    Breezy

    • 50
    • 70

    Partly Sunny

    • 54
    • 64

    Rain Showers

    • 50
    • 70

    Chance Rain Showers

    • 50
    • 66

    Mostly Sunny

Today 9 Sep Lyon

Sunny. Near steady temperature in the upper 70s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 9 Sep Lyon

Mostly clear. Lows in the lower 50s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Temperature Statistics

September Temperature

Marshall, Southwest Minnesota Regional Airport - Marshall/Ryan Field (10.6 miles)

  • Lowest 1 September, 2026

    57 °F

  • Average September

    74.3 °F

  • Highest 3 September, 2026

    93 °F

Climate (2021–2026)

Marshall, Southwest Minnesota Regional Airport - Marshall/Ryan Field (10.6 miles)

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  • Average Low 2021–2026

    37.2 °F

  • Average 2021–2026

    47.1 °F

  • Average High 2021–2026

    56.9 °F
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