Clear Lake Weather Forecast

    • 48
    • 85

    Increasing Clouds

    • 28
    • 61

    Breezy

    • 34
    • 52

    Partly Sunny

    • 40
    • 66

    Partly Sunny

    • 47
    • 83

    Partly Sunny

    • 47
    • 82

    Partly Sunny

Today 25 Mar Brown

Sunny. Highs in the mid 80s. Northwest Winds 10 to 15 Mph.

Tonight 25 Mar Brown

Mostly clear in the Evening, then becoming mostly cloudy. Lows in the upper 40s. Southeast Winds around 10 Mph, becoming southwest after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Temperature Statistics

March Temperature

Ainsworth Regional Airport (21.7 miles)

  • Lowest 16 March, 2026

    0.5 °F

  • Average March

    42.4 °F

  • Highest 21 March, 2026

    87.8 °F

Climate (2021–Present)

Ainsworth Regional Airport (21.7 miles)

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  • Average Low 2021–2026

    37.9 °F

  • Average 2021–2026

    49.8 °F

  • Average High 2021–2026

    62.4 °F
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