Clear Lake Weather Forecast

    • 27
    • 60

    Partly Sunny

    • 38
    • 60

    Partly Sunny

    • 28
    • 59

    Breezy

    • 24
    • 44

    Partly Sunny

    • 23
    • 51

    Breezy

    • 13
    • 35

    Windy

    • 19
    • 37

    Breezy

Today 11 Jan Brown

Mostly sunny. Highs in the mid 50s. West Winds 10 to 15 Mph.

Tonight 11 Jan Brown

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 20s. West Winds around 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Temperature Statistics

January Temperature

Ainsworth Regional Airport (21.7 miles)

  • Lowest 9 January, 2026

    16.5 °F

  • Average January

    37.7 °F

  • Highest 4 January, 2026

    66.4 °F

Climate (2021–Present)

Ainsworth Regional Airport (21.7 miles)

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  • Average Low 2021–2026

    37.8 °F

  • Average 2021–2026

    49.5 °F

  • Average High 2021–2026

    62 °F
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