Clear Lake Weather Forecast

    • 43
    • 76

    Mostly Sunny

    • 51
    • 70

    Mostly Sunny

    • 56
    • 76

    Breezy

    • 54
    • 82

    Mostly Sunny

    • 55
    • 74

    Mostly Sunny

    • 55
    • 75

    Mostly Sunny

    • 60
    • 77

    Mostly Sunny

Today 3 Oct Brown

Breezy, sunny. Highs in the upper 70s.

Tonight 3 Oct Brown

Mostly clear. Lows in the lower 40s. Northwest Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Temperature Statistics

October Temperature

Ainsworth Regional Airport (21.7 miles)

  • Lowest 1 October, 2026

    49.1 °F

  • Average October

    57.3 °F

  • Highest 1 October, 2026

    64 °F

Climate (2021–2026)

Ainsworth Regional Airport (21.7 miles)

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  • Average Low 2021–2026

    38.1 °F

  • Average 2021–2026

    49.9 °F

  • Average High 2021–2026

    62.5 °F
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