Middle Spit Weather Forecast
- 14
- 25
Partly cloudy
- 10
- 18
Cloudy
- 5
- 22
Sunny
- 7
- 27
Partly cloudy
- 12
- 31
Partly cloudy
- 14
- 30
Partly cloudy
- 15
- 28
Partly cloudy
Today 20 Sep Mid North
Mostly sunny. Slight chance of a shower in the south at night. Near zero chance of rain elsewhere. Winds north to northwesterly 35 to 50 km/h turning west to southwesterly 30 to 45 km/h in the middle of the day. Overnight temperatures falling to around 14 with daytime temperatures reaching 25 to 31.
Gulf St Vincent Coastal Waters
- Wind
- North to northwesterly 15 to 25 knots turning west to southwesterly 15 to 20 knots in the late morning.
- Seas
- 1 to 2 metres, decreasing to 1 to 1.5 metres around midday.
- 1st Swell
- West to southwesterly below 0.5 metres.
- Weather
- Mostly sunny.
- Weather Situation
- A cold front will cross the west of the state this morning and will track across the east of the state during the day. Another high pressure system will move eastwards across waters to the south during Monday then over Victoria and the Tasman Sea on Tuesday. This high will extend a ridge westwards over SA ahead of a low pressure trough that is expected to move over the far west of SA during Wednesday.
Middle Spit Temperature Statistics View More
September Temperature
Roseworthy (44km)
Lowest 8 September, 2026
-0.2 °CAverage September
11.5 °CHighest 18 September, 2026
24.7 °C
Climate (2021–2026)
Roseworthy (44km)
Average Low 2021–2026
9.9 °CAverage 2021–2026
16.3 °CAverage High 2021–2026
23.7 °C