Whyalla Marina Weather Forecast
- 17
- 21
Shower or two. Windy
- 14
- 20
Cloudy
- 13
- 22
Sunny
- 14
- 25
Mostly sunny
- 16
- 27
Mostly sunny
- 17
- 31
Sunny
- 19
- 26
Mostly sunny
Today 26 Mar Whyalla
Partly cloudy. Medium chance of showers, becoming less likely this morning. Winds southerly 30 to 45 km/h.
Spencer Gulf Coastal Waters
- Wind
- Southerly 15 to 25 knots, reaching up to 30 knots during the afternoon and evening.
- Seas
- 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo during the morning.
- Weather
- Partly cloudy. 50% chance of showers. The chance of a thunderstorm in the early morning.
- Weather Situation
- A broad trough lies over eastern SA. A cold front will clip the southeast tomorrow as a high pressure system starts to build south of the Bight. The high will become established south of SA by Friday before starting to move east towards the Tasman Sea on Sunday.
Whyalla Marina Temperature Statistics View More
March Temperature
Whyalla Airport (6km)
Lowest 14 March, 2026
10.8 °CAverage March
21.4 °CHighest 10 March, 2026
34.9 °C
Climate (2021–Present)
Whyalla Airport (6km)
Average Low 2021–2026
11.9 °CAverage 2021–2026
17.5 °CAverage High 2021–2026
23.8 °C