Clear Lake Weather Forecast

    • 53
    • 73

    Increasing Clouds

    • 56
    • 77

    Slight Chance Thunderstorms

    • 52
    • 76

    Mostly Sunny

    • 54
    • 72

    Mostly Cloudy

    • 55
    • 69

    Slight Chance Thunderstorms

    • 55
    • 71

    Slight Chance Thunderstorms

Today 26 Aug Martin

Clear. Highs in the lower 70s. West Winds up to 5 Mph.

Tonight 26 Aug Martin

Increasing Clouds. Lows in the lower 50s. South Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Temperature Statistics

August Temperature

Estherville, Estherville Municipal Airport (9.9 miles)

  • Lowest 1 August, 2025

    51.7 °F

  • Average August

    71.9 °F

  • Highest 8 August, 2025

    87.7 °F

Climate (2020–Present)

Estherville, Estherville Municipal Airport (9.9 miles)

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  • Average Low 2020–2025

    37.1 °F

  • Average 2020–2025

    47.6 °F

  • Average High 2020–2025

    58.3 °F
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