Big Bass Lake Weather Forecast

    • 17
    • 38

    Decreasing Clouds

    • 25
    • 29

    Rain/Snow

    • 7
    • 36

    Rain/Snow

    • 11
    • 17

    Chance Snow

    • 1
    • 28

    Partly Sunny

    • 3
    • 15

    Partly Sunny

    • 16
    • 26

    Mostly Cloudy

Today 16 Dec Marathon

Mostly cloudy. Temperatures in the lower to mid 30s. Southwest wind 10 to 15 Mph.

Tonight 16 Dec Marathon

Blustery. Not as cold. Mostly cloudy in the evening then clearing. Lows in the middle teens. West wind 15 to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Bass Lake Temperature Statistics

December Temperature

Mosinee (11.8 miles)

  • Lowest 13 December, 2025

    -13 °F

  • Average December

    10.3 °F

  • Highest 3 December, 2025

    24.8 °F

Climate (2020–Present)

Mosinee (11.8 miles)

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  • Average Low 2020–2025

    35.8 °F

  • Average 2020–2025

    43.1 °F

  • Average High 2020–2025

    53.4 °F
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