Castle Rock County Park Weather Forecast

    • 18
    • 23

    Chance Snow

    • 24
    • 33

    Rain/Snow

    • 4
    • 30

    Chance Snow

    • 0
    • 19

    Chance Snow

    • -9
    • 15

    Chance Snow

    • -10
    • 4

    Cold

    • -2
    • 10

    Cold

Today 8 Dec Adams

Cloudy with a chance of Flurries. Near steady temperature around 20. South Winds 5 to 10 Mph.

Tonight 8 Dec Adams

A chance of snow this Evening, then snow likely with a slight chance of freezing drizzle after midnight. Snow accumulation around an inch. Not as cool with Lows around 16. Temperature rising into the lower 20s after midnight. South Winds 5 to 10 Mph. Chance of precipitation 70 percent.

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Castle Rock County Park Temperature Statistics

December Temperature

New Lisbon Mauston Airport (11.2 miles)

  • Lowest 4 December, 2025

    -8.7 °F

  • Average December

    17 °F

  • Highest 3 December, 2025

    29.5 °F

Climate (2020–Present)

New Lisbon Mauston Airport (11.2 miles)

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  • Average Low 2020–2025

    37.7 °F

  • Average 2020–2025

    48 °F

  • Average High 2020–2025

    57.7 °F
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