Moonta Bay Weather Forecast
- 9
- 17
Showers
- 9
- 17
Shower or two
- 7
- 19
Possible shower
- 8
- 19
Partly cloudy
- 8
- 19
Shower or two
- 10
- 18
Showers
- 10
- 18
Showers
Today 25 May Yorke Peninsula
Partly cloudy. High chance of showers. Winds northwest to northeasterly 20 to 30 km/h decreasing to 15 to 20 km/h in the late evening.
Spencer Gulf Coastal Waters
- Wind
- Northwest to southwesterly 10 to 15 knots, reaching up to 20 knots south of Cowell to Wallaroo during the afternoon and evening.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
- Weather
- Partly cloudy. 80% chance of showers.
- Weather Situation
- A low pressure system lies north of Kangaroo Island, with an associated trough over central districts. The low is expected to move north and over the Eyre Peninsula and towards the Flinders district on Tuesday, weakening as it moves into NSW on Wednesday. A weak ridge of high pressure begins to move across SA later in the week. A cold front is expected to move over the west of SA on Friday.
Moonta Bay Temperature Statistics View More
May Temperature
Kadina Airport (13km)
Lowest 22 May, 2026
7 °CAverage May
14.9 °CHighest 1 May, 2026
29.2 °C
Climate (2021–Present)
Kadina Airport (13km)
Average Low 2021–2026
10.2 °CAverage 2021–2026
16.4 °CAverage High 2021–2026
23.5 °C