St John Weather Forecast

    • 38
    • 70

    Rain Showers

    • 31
    • 44

    Slight Chance Rain/Snow

    • 28
    • 45

    Partly Sunny

    • 40
    • 51

    Partly Sunny

    • 41
    • 67

    Mostly Sunny

    • 46
    • 65

    Partly Sunny

Today 17 Apr Calumet

Breezy. Partly sunny. A chance of Showers and Thunderstorms in the afternoon. Some Thunderstorms may produce heavy rainfall in the afternoon. Highs around 70. South wind 10 to 15 Mph shifting to the southeast 15 to 25 Mph with Gusts to around 35 Mph in the afternoon. Chance of rain 50 percent.

Tonight 17 Apr Calumet

Blustery. Showers and a chance of Thunderstorms. Patchy fog after midnight. Some Thunderstorms may produce heavy rainfall. Lows in the upper 30s. South wind 15 to 25 Mph shifting to the west after midnight. Gusts up to 35 Mph. Chance of rain near 100 percent.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

St John Temperature Statistics

April Temperature

Appleton-Outagamie (16.2 miles)

  • Lowest 7 April, 2026

    21.2 °F
  • Average April

    43.1 °F
  • Highest 13 April, 2026

    78.8 °F

Climate (2021–Present)

Appleton-Outagamie (16.2 miles)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2021–2026

    39.8 °F
  • Average 2021–2026

    46.8 °F
  • Average High 2021–2026

    56.6 °F
Get WillyWeather+ to remove ads