Germein Bay Weather Forecast
- 12
- 31
Sunny
- 12
- 32
Sunny
- 14
- 32
Becoming windy. Sunny
- 13
- 30
Partly cloudy
- 13
- 33
Sunny
- 15
- 35
Sunny
- 17
- 37
Mostly sunny
Today 12 Jan Mid North
Sunny. Winds south to southeasterly 15 to 25 km/h tending east to southeasterly before dawn then tending southeast to southwesterly 25 to 35 km/h in the middle of the day. Overnight temperatures falling to around 10 with daytime temperatures reaching around 30.
Spencer Gulf Coastal Waters
- Wind
- South to southeasterly 15 to 20 knots tending south to southwesterly 15 to 25 knots in the middle of the day then tending south to southeasterly 20 to 25 knots in the evening.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 2 metres during the afternoon.
- 1st Swell
- South to southwesterly below 1 metre.
- Weather
- Sunny.
- Weather Situation
- A high pressure ridge south of the state will persist over the coming days with multiple weak high pressure centres moving to the south. A low pressure trough will move west of the state late on Tuesday. This trough will be pushed northwards along the WA border as new high pressure system develops south of the Bight on Wednesday. This high will remain relatively stationary to the south on Thursday as it extends a weak ridge over the state.
Germein Bay Temperature Statistics View More
January Temperature
Whyalla Airport (49km)
Lowest 6 January, 2026
15 °CAverage January
24.3 °CHighest 8 January, 2026
47.8 °C
Climate (2021–Present)
Whyalla Airport (49km)
Average Low 2021–2026
11.8 °CAverage 2021–2026
17.5 °CAverage High 2021–2026
23.8 °C