Wyomi Weather Forecast
- 12
- 21
Sunny
- 12
- 21
Shower
- 7
- 15
Cloudy
- 2
- 17
Sunny
- 5
- 21
Partly cloudy
- 10
- 23
Partly cloudy
- 12
- 24
Cloudy
Today 19 Sep Lower South East
Sunny. Winds northwesterly 20 to 30 km/h turning northerly 15 to 20 km/h in the evening. Daytime maximum temperatures in the low to mid 20s.
Upper South East Coastal Waters
Murray Mouth to Cape Jaffa- Wind
- Northwesterly 10 to 15 knots, reaching up to 20 knots offshore during the morning and early afternoon. Winds turning northerly in the evening.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre by early evening.
- 1st Swell
- Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres later in the evening.
- Weather
- Sunny.
- Weather Situation
- A high pressure system centred over NSW extends a ridge over SA ahead of a cold front will approach from the west. The front moves across SA on Sunday. Another high pressure system will move eastwards across waters to the south during Monday then over Victoria on Tuesday.
Wyomi Temperature Statistics View More
September Temperature
Cape Jaffa (15km)
Lowest 8 September, 2026
3.9 °CAverage September
12.3 °CHighest 12 September, 2026
21.6 °C
Climate (2021–2026)
Cape Jaffa (15km)
Average Low 2021–2026
10.5 °CAverage 2021–2026
14.5 °CAverage High 2021–2026
19.4 °C