Clear Lake Weather Forecast

    • 52
    • 78

    Mostly Sunny

    • 59
    • 78

    Partly Sunny

    • 62
    • 78

    Chance Rain Showers

    • 62
    • 84

    Slight Chance Thunderstorms

    • 57
    • 82

    Mostly Sunny

    • 60
    • 82

    Slight Chance Rain Showers

Today 22 Aug Sibley

Sunny. Highs in the upper 70s. Northwest Winds 5 to 15 Mph.

Tonight 22 Aug Sibley

Clear. Lows in the lower 50s. North Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Temperature Statistics

August Temperature

New Ulm Municipal Airport (8.7 miles)

  • Lowest 5 August, 2026

    53.6 °F

  • Average August

    71.6 °F

  • Highest 3 August, 2026

    84.2 °F

Climate (2021–2026)

New Ulm Municipal Airport (8.7 miles)

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  • Average Low 2021–2026

    37.6 °F

  • Average 2021–2026

    47.3 °F

  • Average High 2021–2026

    57 °F
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