St John Weather Forecast

    • 59
    • 72

    Increasing Clouds

    • 61
    • 69

    Rain Showers

    • 44
    • 68

    Chance Rain Showers

    • 43
    • 63

    Mostly Sunny

    • 47
    • 63

    Partly Sunny

    • 39
    • 63

    Mostly Sunny

Today 29 Sep Calumet

Partly cloudy. Patchy fog in the morning. Highs in the lower 70s. South wind 10 to 15 Mph.

Tonight 29 Sep Calumet

A chance of Showers in the Evening, then Showers and a slight chance of Thunderstorms after midnight. Lows around 60. South wind 10 to 15 Mph. Chance of rain 90 percent.

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St John Temperature Statistics

September Temperature

Appleton-Outagamie (16.2 miles)

  • Lowest 23 September, 2026

    46.4 °F

  • Average September

    64.9 °F

  • Highest 1 September, 2026

    93.2 °F

Climate (2021–2026)

Appleton-Outagamie (16.2 miles)

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  • Average Low 2021–2026

    40.1 °F

  • Average 2021–2026

    47.1 °F

  • Average High 2021–2026

    56.9 °F
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