Oyster Bay Weather Forecast
- 14
- 26
Partly cloudy
- 15
- 26
Shower
- 12
- 24
Cloudy
- 13
- 24
Cloudy
- 12
- 25
Cloudy
- 14
- 25
Cloudy
- 14
- 28
Partly cloudy
Today 20 Dec Yorke Peninsula
Mostly sunny day. Slight chance of a shower at night. Winds southerly 20 to 30 km/h tending southeasterly 15 to 25 km/h in the evening. Overnight temperatures falling to around 13 with daytime temperatures reaching 25 to 31.
Gulf St Vincent Coastal Waters
- Wind
- Southerly 15 to 20 knots.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre during the morning.
- 1st Swell
- West to southwesterly below 0.5 metres.
- Weather
- Mostly sunny.
Oyster Bay Temperature Statistics View More
December Temperature
Edithburgh (25km)
Lowest 8 December, 2025
7 °CAverage December
19 °CHighest 18 December, 2025
42.2 °C
Climate (2020–Present)
Edithburgh (25km)
Average Low 2020–2025
12.1 °CAverage 2020–2025
15.9 °CAverage High 2020–2025
20.6 °C