Port Germein Weather Forecast
- 6
- 20
Sunny
- 7
- 22
Sunny
- 10
- 26
Mostly sunny
- 15
- 29
Mostly sunny
- 13
- 22
Partly cloudy
- 11
- 20
Possible shower
- 7
- 20
Sunny
Today 10 Sep Mid North
Mostly sunny. Winds east to southeasterly 20 to 30 km/h. Daytime maximum temperatures between 15 and 19.
Spencer Gulf Coastal Waters
- Wind
- East to southeasterly 15 to 20 knots.
- Seas
- 1 to 2 metres, decreasing to 1 metre around midday.
- 1st Swell
- South to southwesterly 1 to 1.5 metres, increasing to 2 to 3 metres south of Cowell to Wallaroo.
- Weather
- Mostly sunny.
- Weather Situation
- A high pressure system centred south of the Bight extends a ridge across the south of SA. The main high centre will gradually move eastwards to be centred to the east of SA on Friday. A trough over the interior of WA will remain stationary for most of the week and may extend into the far west of SA at times. Another low pressure trough will approach from the west on Saturday and move across SA on Sunday.
Port Germein Temperature Statistics View More
September Temperature
Whyalla Airport (44km)
Lowest 6 September, 2026
3.8 °CAverage September
14.5 °CHighest 1 September, 2026
27.7 °C
Climate (2021–2026)
Whyalla Airport (44km)
Average Low 2021–2026
12 °CAverage 2021–2026
17.5 °CAverage High 2021–2026
23.8 °C