Castle Rock Lake Weather Forecast

    • 17
    • 32

    Chance Snow

    • 22
    • 29

    Partly Sunny

    • 29
    • 39

    Partly Sunny

    • 20
    • 43

    Chance Snow

    • 12
    • 26

    Slight Chance Snow

    • 22
    • 29

    Chance Snow

    • 12
    • 30

    Chance Snow

Today 10 Jan Juneau

Partly sunny with a 50 percent chance of snow. Snow accumulation little or no. Highs in the lower 30s. Temperature falling into the mid 20s this afternoon. West Winds 10 to 15 Mph.

Tonight 10 Jan Juneau

Mostly cloudy. A chance of snow this Evening, then a chance of Flurries after midnight. Additional snow accumulation little or no. Lows around 18. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of snow 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Castle Rock Lake Temperature Statistics

January Temperature

New Lisbon Mauston Airport (11.8 miles)

  • Lowest 4 January, 2026

    3.2 °F

  • Average January

    24.6 °F

  • Highest 8 January, 2026

    45.7 °F

Climate (2021–Present)

New Lisbon Mauston Airport (11.8 miles)

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  • Average Low 2021–2026

    37.6 °F

  • Average 2021–2026

    47.9 °F

  • Average High 2021–2026

    57.7 °F
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