Clear Lake Weather Forecast

    • 50
    • 88

    Increasing Clouds

    • 53
    • 83

    Rain Showers Likely

    • 43
    • 82

    Rain Showers Likely

    • 36
    • 58

    Rain Showers Likely

    • 35
    • 57

    Partly Sunny

    • 42
    • 68

    Mostly Cloudy

Today 15 May Brown

Sunny. Highs in the upper 80s. Light and variable Winds, becoming northwest 10 to 15 Mph in the afternoon.

Tonight 15 May Brown

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 40s. Northeast Winds 10 to 15 Mph, Diminishing to up to 10 Mph after midnight.

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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

    55.8 °F

  • Highest 11 May, 2026

    88 °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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