Clear Lake Weather Forecast

    • 53
    • 74

    Rain Showers

    • 29
    • 59

    Chance Rain/Snow

    • 27
    • 42

    Partly Sunny

    • 37
    • 54

    Partly Sunny

    • 42
    • 68

    Chance Rain

    • 27
    • 54

    Rain Likely

Today 14 Mar Rock

Windy. Partly sunny. Highs in the mid 70s. South Winds 15 to 20 Mph increasing to 20 to 30 Mph in the afternoon.

Tonight 14 Mar Rock

Windy. Becoming partly cloudy early in the morning. Slight chance of light rain Showers in the Evening, then rain Showers with Thunderstorms likely late in the evening. Chance of light rain Showers after midnight. Lows in the lower 50s. Southeast Winds 15 to 30 Mph shifting to the south 15 to 20 Mph after midnight. Chance of precipitation near 100 percent.

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Clear Lake Temperature Statistics

March Temperature

Janesville-Rock County (12.4 miles)

  • Lowest 2 March, 2025

    12.2 °F

  • Average March

    35.2 °F

  • Highest 10 March, 2025

    68 °F

Climate (2020–Present)

Janesville-Rock County (12.4 miles)

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  • Average Low 2020–2025

    40.6 °F

  • Average 2020–2025

    48.8 °F

  • Average High 2020–2025

    60.2 °F
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