St John Weather Forecast

    • 18
    • 21

    Snow Likely

    • 28
    • 33

    Snow Likely

    • 22
    • 36

    Mostly Cloudy

    • 32
    • 36

    Slight Chance Rain

    • 29
    • 40

    Mostly Cloudy

    • 26
    • 35

    Mostly Cloudy

    • 17
    • 35

    Mostly Cloudy

Today 21 Dec Calumet

Sunny. Temperatures in the lower 20s. Southwest wind 5 to 10 Mph.

Tonight 21 Dec Calumet

Not as cold. Partly cloudy in the evening then becoming mostly cloudy. A chance of light snow after midnight. Lows in the upper teens. Temperatures rising into the lower 30s after midnight. Southwest wind 10 to 15 Mph. Chance of snow 40 percent.

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St John Temperature Statistics

December Temperature

Appleton-Outagamie (16.2 miles)

  • Lowest 14 December, 2025

    -5.8 °F

  • Average December

    18.6 °F

  • Highest 18 December, 2025

    44.6 °F

Climate (2020–Present)

Appleton-Outagamie (16.2 miles)

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  • Average Low 2020–2025

    39.7 °F

  • Average 2020–2025

    46.7 °F

  • Average High 2020–2025

    56.5 °F
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