Clear Lake Weather Forecast

    • 33
    • 67

    Increasing Clouds

    • 30
    • 64

    Decreasing Clouds

    • 31
    • 56

    Mostly Sunny

    • 26
    • 60

    Partly Sunny

    • 24
    • 47

    Slight Chance Snow

    • 21
    • 44

    Slight Chance Snow

    • 20
    • 41

    Mostly Sunny

Today 4 Jan Brown

Partly sunny in the morning then clearing. Highs in the mid 60s. Southwest Winds 10 to 20 Mph, becoming west in the afternoon.

Tonight 4 Jan Brown

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 30s. Southwest Winds up to 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 2 January, 2026

    22.5 °F

  • Average January

    29.9 °F

  • Highest 1 January, 2026

    51.3 °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

    61.9 °F
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