Jolly Beach Weather Forecast
- 10
- 15
Wind easing. Cloudy
- 10
- 16
Cloud clearing
- 11
- 18
Mostly sunny
- 11
- 21
Mostly sunny
- 14
- 21
Shower or two
- 13
- 19
Possible shower
- 11
- 16
Possible shower
Today 9 Sep Yorke Peninsula
Cloudy. Winds southeasterly 25 to 40 km/h. Daytime maximum temperatures around 16.
Investigator Strait Coastal Waters
- Wind
- Southerly 20 to 25 knots, reaching up to 30 knots early in the morning. Winds turning southeasterly 15 to 25 knots in the early morning.
- Seas
- 1 to 2 metres.
- 1st Swell
- West to southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres through the Backstairs Passage during the morning.
- Weather
- Cloudy.
- Weather Situation
- A high pressure system centred south of WA extends a ridge across the south of SA. The main high centre will move eastwards during the week 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.
Jolly Beach Temperature Statistics View More
September Temperature
Stenhouse Bay (3km)
Lowest 8 September, 2026
8.9 °CAverage September
13.8 °CHighest 4 September, 2026
20.2 °C
Climate (2021–2026)
Stenhouse Bay (3km)
Average Low 2021–2026
13.2 °CAverage 2021–2026
16.1 °CAverage High 2021–2026
20.5 °C