St Johns Weather Forecast
- 13
- 27
Shower or two
- 16
- 30
Mostly sunny
- 13
- 23
Possible shower
- 10
- 24
Shower or two
- 14
- 27
Shower or two
- 11
- 16
Shower or two
- 6
- 15
Cloudy
Today 5 Apr Mount Lofty Ranges
Partly cloudy. High chance of showers, most likely from the late morning. Winds east to northeasterly 15 to 20 km/h turning north to northwesterly during the morning then tending north to northeasterly in the late afternoon. Overnight temperatures falling to between 13 and 16 with daytime temperatures reaching the mid to high 20s.
St Johns Temperature Statistics View More
April Temperature
Nuriootpa (PIRSA Research Centre) (12km)
Lowest 2 April, 2026
9.4 °CAverage April
16.4 °CHighest 1 April, 2026
24.1 °C
Climate (2021–Present)
Nuriootpa (PIRSA Research Centre) (12km)
Average Low 2021–2026
9.3 °CAverage 2021–2026
15.1 °CAverage High 2021–2026
21.8 °C