St John Weather Forecast

    • 51
    • 75

    Chance Rain Showers

    • 56
    • 69

    Mostly Cloudy

    • 57
    • 72

    Chance Rain Showers

    • 61
    • 72

    Rain Showers Likely

    • 58
    • 73

    Chance Rain Showers

    • 55
    • 68

    Chance Rain Showers

Today 15 Sep Calumet

Breezy. Humid. Mostly cloudy. A chance of Showers and a slight chance of Thunderstorms in the morning. Highs in the middle 70s. Southwest wind 15 to 25 Mph. Chance of rain 40 percent.

Tonight 15 Sep Calumet

Warmer. Showers and a chance of Thunderstorms. Nearly steady temperature around 60. South wind 10 to 20 Mph with Gusts to around 30 Mph. Chance of rain 90 percent.

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St John Temperature Statistics

September Temperature

Appleton-Outagamie (16.2 miles)

  • Lowest 10 September, 2026

    59 °F

  • Average September

    71.4 °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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