Seventh Creek Entrance Weather Forecast
- 15
- 34
Clear
- 19
- 36
Partly cloudy
- 19
- 35
Partly cloudy
- 20
- 39
Mostly sunny
- 18
- 29
Cloud clearing
- 11
- 25
Sunny
- 13
- 27
Cloud clearing
Today 9 Dec Mid North
Clear. Winds south to southeasterly 15 to 25 km/h.
Spencer Gulf Coastal Waters
- Wind
- Southeasterly 15 to 20 knots.
- Seas
- 1.5 metres.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
- Weather
- Mostly clear.
- Weather Situation
- A high pressure system over the Bight extends a ridge of high pressure over most of the state and will persist over southern SA during Wednesday and Thursday. Meanwhile, a trough of low pressure over the far northwest is expected to move along the northern border on Wednesday. The trough will extend further south on Thursday then move eastwards across the west and south of SA on Friday. Another ridge of high pressure will move over the south over the weekend and the trough will move slowly northeastwards.
Seventh Creek Entrance Temperature Statistics View More
December Temperature
Whyalla Airport (34km)
Lowest 2 December, 2025
10.2 °CAverage December
20.8 °CHighest 4 December, 2025
40.7 °C
Climate (2020–Present)
Whyalla Airport (34km)
Average Low 2020–2025
11.8 °CAverage 2020–2025
17.4 °CAverage High 2020–2025
23.7 °C