Moonta Bay Weather Forecast
- 8
- 22
Partly cloudy
- 5
- 25
Sunny
- 11
- 29
Sunny
- 15
- 25
Showers
- 10
- 19
Possible shower
- 7
- 21
Shower or two developing
- 9
- 20
Showers easing
Today 6 Oct Yorke Peninsula
Partly cloudy. Slight chance of a shower in the late morning and afternoon. Winds southwesterly 20 to 25 km/h turning southeasterly 20 to 30 km/h in the late afternoon. Daytime maximum temperatures between 19 and 22.
Spencer Gulf Coastal Waters
- Wind
- Southwesterly 10 to 15 knots turning southeasterly 15 to 20 knots during the afternoon and evening.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres north of Cowell to Wallaroo during the afternoon.
- 1st Swell
- South to southwesterly 1 to 1.5 metres, increasing to 1 to 2 metres during the afternoon.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system southwest of SA extends a ridge over much of the state, as a cold front clips the southeast early Tuesday. The high will quickly move in behind the front and maintain a ridge over SA as it moves to the east of Tasmania by Thursday. A strong cold front is then expected move into the Bight later on Thursday and move east across the rest of SA on Friday and early Saturday.
Moonta Bay Temperature Statistics View More
October Temperature
Kadina Airport (13 km)
Lowest 3 October, 2026
7 °CAverage October
14.5 °CHighest 1 October, 2026
24.7 °C
Climate (2021–2026)
Kadina Airport (13 km)
Average Low 2021–2026
10.2 °CAverage 2021–2026
16.5 °CAverage High 2021–2026
23.5 °C