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.
St John Temperature Statistics
April Temperature
Appleton-Outagamie (16.2 miles)
Lowest 7 April, 2026
21.2 °FAverage April
43.1 °FHighest 13 April, 2026
78.8 °F
Climate (2021–Present)
Appleton-Outagamie (16.2 miles)
Average Low 2021–2026
39.8 °FAverage 2021–2026
46.8 °FAverage High 2021–2026
56.6 °F