Sun Island Weather Forecast
- 16
- 22
Sunny
- 16
- 22
Partly cloudy
- 18
- 22
Shower
- 18
- 21
Shower
- 18
- 22
Partly cloudy
- 19
- 22
Partly cloudy
- 18
- 21
Partly cloudy
Today 18 Jul Capricornia
Sunny. Winds southerly 15 to 20 km/h becoming light in the evening. Overnight temperatures falling to between 7 and 13 with daytime temperatures reaching the low to mid 20s.
Capricornia Coastal Waters
St Lawrence to Burnett Heads- Wind
- Southerly 15 to 20 knots, reaching up to 30 knots offshore during the afternoon and evening.
- Seas
- 1.5 to 2.5 metres.
- 1st Swell
- South to southeasterly 1.5 to 2.5 metres offshore southern waters.
- Weather
- Mostly sunny. 50% chance of showers offshore, near zero chance elsewhere. The chance of a thunderstorm offshore south of Cape Capricorn.
Sun Island Temperature Statistics View More
July Temperature
Williamson Airfield (18km)
Lowest 16 July, 2026
3.4 °CAverage July
16.9 °CHighest 3 July, 2026
27.2 °C
Climate (2021–2026)
Williamson Airfield (18km)
Average Low 2021–2026
17.5 °CAverage 2021–2026
22.7 °CAverage High 2021–2026
28.8 °C