Optimist Park Weather Forecast

    • 16
    • 19

    Snow Likely

    • 27
    • 33

    Snow Likely

    • 22
    • 37

    Mostly Cloudy

    • 32
    • 36

    Cloudy

    • 29
    • 40

    Chance Rain

    • 25
    • 35

    Slight Chance Snow

    • 17
    • 35

    Mostly Cloudy

Today 21 Dec Brown

Sunny. Temperatures 18 to 20. Southwest wind 5 to 10 Mph.

Tonight 21 Dec Brown

Not as cold. Mostly clear in the Evening, then mostly cloudy with a chance of light snow after midnight. Lows in the middle teens. Temperatures rising into the upper 20s after midnight. Southwest wind 5 to 10 Mph. Chance of snow 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Optimist Park Temperature Statistics

December Temperature

Green Bay, Austin Straubel International Airport (6.2 miles)

  • Lowest 13 December, 2025

    -7.1 °F

  • Average December

    16.6 °F

  • Highest 18 December, 2025

    42.1 °F

Climate (2020–Present)

Green Bay, Austin Straubel International Airport (6.2 miles)

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  • Average Low 2020–2025

    39 °F

  • Average 2020–2025

    48.4 °F

  • Average High 2020–2025

    57.5 °F
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