Clear Lake Weather Forecast

    • 44
    • 71

    Chance Rain Showers

    • 37
    • 83

    Breezy

    • 25
    • 51

    Chance Snow Showers

    • 25
    • 51

    Mostly Sunny

    • 36
    • 69

    Mostly Sunny

    • 46
    • 77

    Mostly Sunny

Today 15 Apr Brown

Mostly cloudy in the Morning, then becoming partly sunny. A 20 percent chance of Showers. Highs around 70. West Winds up to 10 Mph.

Tonight 15 Apr Brown

Mostly clear. Lows in the mid 40s. South Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Temperature Statistics

April Temperature

Ainsworth Regional Airport (21.7 miles)

  • Lowest 10 April, 2026

    24.4 °F

  • Average April

    43.7 °F

  • Highest 12 April, 2026

    81.1 °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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