Clear Lake Weather Forecast

    • 40
    • 74

    Partly Sunny

    • 44
    • 78

    Mostly Sunny

    • 47
    • 80

    Mostly Sunny

    • 34
    • 86

    Partly Sunny

    • 28
    • 54

    Mostly Cloudy

    • 33
    • 56

    Mostly Cloudy

Today 18 Mar Brown

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

Tonight 18 Mar Brown

Partly cloudy in the evening then clearing. Lows around 40. Light and variable Winds, becoming northwest around 10 Mph after midnight.

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Clear Lake Temperature Statistics

March Temperature

Ainsworth Regional Airport (21.7 miles)

  • Lowest 16 March, 2026

    0.5 °F

  • Average March

    37.6 °F

  • Highest 8 March, 2026

    73 °F

Climate (2021–Present)

Ainsworth Regional Airport (21.7 miles)

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  • Average Low 2021–2026

    37.9 °F

  • Average 2021–2026

    49.7 °F

  • Average High 2021–2026

    62.3 °F
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