Clear Lake Weather Forecast

    • 37
    • 62

    Sunny

    • 55
    • 69

    Mostly Sunny

    • 58
    • 78

    Slight Chance Thunderstorms

    • 57
    • 80

    Partly Sunny

    • 61
    • 80

    Slight Chance Thunderstorms

    • 64
    • 80

    Chance Rain Showers

    • 64
    • 81

    Chance Rain Showers

Today 6 Sep Minnehaha

Mostly sunny. Near steady temperature in the lower 60s. Northwest Winds 10 to 15 Mph.

Tonight 6 Sep Minnehaha

Mostly clear. Lows in the upper 30s. North Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Temperature Statistics

September Temperature

Madison Municipal Airport (18 miles)

  • Lowest 4 September, 2025

    41 °F

  • Average September

    60.4 °F

  • Highest 2 September, 2025

    77 °F

Climate (2020–Present)

Madison Municipal Airport (18 miles)

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  • Average Low 2020–2025

    37.1 °F

  • Average 2020–2025

    47.3 °F

  • Average High 2020–2025

    57.5 °F
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