Castle Rock Lake Weather Forecast

    • 59
    • 82

    Areas Smoke

    • 65
    • 85

    Slight Chance Thunderstorms

    • 70
    • 86

    Partly Sunny

    • 71
    • 90

    Mostly Sunny

    • 67
    • 89

    Chance Rain Showers

    • 65
    • 85

    Chance Thunderstorms

Today 5 Aug Juneau

Areas of smoke in the morning. Mostly sunny. Highs in the lower 80s. Southeast Winds 5 to 10 Mph.

Tonight 5 Aug Juneau

Partly cloudy. Areas of smoke. Lows in the upper 50s. Light Winds.

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Castle Rock Lake Temperature Statistics

August Temperature

New Lisbon Mauston Airport (11.8 miles)

  • Lowest 1 August, 2025

    49.1 °F

  • Average August

    63.1 °F

  • Highest 2 August, 2025

    77.9 °F

Climate (2020–Present)

New Lisbon Mauston Airport (11.8 miles)

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  • Average Low 2020–2025

    37.6 °F

  • Average 2020–2025

    47.8 °F

  • Average High 2020–2025

    57.5 °F
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