Spencer Gulf Weather Forecast
- 12
- 18
Shower
- 14
- 16
Rain
- 14
- 15
Rain
- 12
- 16
Shower
- 13
- 15
Shower
- 11
- 15
Cloudy
- 12
- 15
Partly cloudy
Today 7 Aug Flinders
Partly cloudy. Areas of morning frost. The chance of morning fog south of Hawker. Medium chance of showers near the coast, slight chance elsewhere. Light winds becoming northerly 15 to 25 km/h in the morning. Daytime maximum temperatures between 19 and 22.
Spencer Gulf Coastal Waters
- Wind
- Northerly 10 to 15 knots, reaching up to 20 knots south of Cowell to Wallaroo during the day.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres near the Yorke Peninsula coast around midday.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
- Weather
- Partly cloudy. Patchy fog in the early morning with reduced visibility. 95% chance of rain.
- Weather Situation
- A weak high pressure system centred over NSW will slowly move east while maintaining a ridge over SA until Saturday. A strong cold front will then begin to move into the Bight and move east over the state from late Saturday and throughout Sunday. Another cold front is then forecast to move into the Bight from late Monday.
Spencer Gulf Temperature Statistics View More
August Temperature
Whyalla Airport (38km)
Lowest 1 August, 2026
-0.4 °CAverage August
10.2 °CHighest 2 August, 2026
20.9 °C
Climate (2021–2026)
Whyalla Airport (38km)
Average Low 2021–2026
12 °CAverage 2021–2026
17.5 °CAverage High 2021–2026
23.8 °C