Clear Lake Weather Forecast

    • 41
    • 71

    Increasing Clouds

    • 44
    • 73

    Partly Sunny

    • 41
    • 70

    Mostly Cloudy

    • 42
    • 71

    Mostly Sunny

    • 50
    • 87

    Partly Sunny

    • 46
    • 81

    Partly Sunny

Today 7 May Brown

Sunny. Highs in the lower 70s. West Winds 10 to 15 Mph.

Tonight 7 May Brown

Mostly cloudy. A slight chance of Showers in the evening. Lows in the lower 40s. North Winds around 10 Mph. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Temperature Statistics

May Temperature

Ainsworth Regional Airport (21.7 miles)

  • Lowest 1 May, 2026

    30.9 °F

  • Average May

    53.8 °F

  • Highest 2 May, 2026

    76.1 °F

Climate (2021–Present)

Ainsworth Regional Airport (21.7 miles)

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  • Average Low 2021–2026

    38 °F

  • Average 2021–2026

    49.9 °F

  • Average High 2021–2026

    62.5 °F
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