Sun Island Weather Forecast
- 21
- 24
Clear
- 22
- 24
Partly cloudy
- 18
- 24
Sunny
- 16
- 23
Sunny
- 17
- 23
Sunny
- 18
- 23
Sunny
- 19
- 23
Partly cloudy
Today 18 May Capricornia
Partly cloudy. Slight chance of a shower in the southwest, near zero chance elsewhere. Light winds.
Capricornia Coastal Waters
St Lawrence to Burnett Heads- Wind
- Northeast to southeasterly about 10 knots, reaching up to 20 knots offshore south of Cape Capricorn in the late afternoon.
- Seas
- Below 0.5 metres, increasing to around 1 metre south of Cape Capricorn.
- 1st Swell
- Easterly around 1 metre inshore, increasing to 1.5 to 2.5 metres offshore.
- Weather
- Partly cloudy. 50% chance of showers offshore south of Cape Capricorn, near zero chance elsewhere.
- Weather Situation
- A trough lies along the along the far southeastern Queensland coast. A more substantial trough and westerly change will push through the southern and central Queensland waters on Tuesday. The trough will deepen into a low on Wednesday as it shifts into the Tasman Sea. A firm ridge will develop in the wake of the trough during Wednesday as a high [1027 hPa] moves east across southern Australia.
Sun Island Temperature Statistics View More
May Temperature
Williamson Airfield (18km)
Lowest 9 May, 2026
10.2 °CAverage May
21.1 °CHighest 4 May, 2026
29.5 °C
Climate (2021–Present)
Williamson Airfield (18km)
Average Low 2021–2026
17.5 °CAverage 2021–2026
22.7 °CAverage High 2021–2026
28.7 °C