Round Island Weather Forecast
- 16
- 27
Mostly sunny
- 16
- 27
Mostly sunny
- 15
- 23
Sunny
- 14
- 20
Partly cloudy
- 14
- 24
Cloud clearing
- 16
- 33
Partly cloudy
- 16
- 23
Partly cloudy
Today 19 Jan Central
Partly cloudy. Slight chance of a shower about the ranges, most likely this evening. Near zero chance of rain elsewhere. The chance of a thunderstorm during this afternoon and evening. Winds east to northeasterly 20 to 30 km/h tending north to northeasterly in the morning then turning east to southeasterly in the late morning and early afternoon. Daytime maximum temperatures 26 to 31.
Western Port Local Waters
- Wind
- Easterly 15 to 20 knots.
- Seas
- Around 1 metre.
- Weather
- Partly cloudy.
Round Island Temperature Statistics View More
January Temperature
Cerberus (18km)
Lowest 2 January, 2026
8.5 °CAverage January
18.9 °CHighest 9 January, 2026
42.3 °C
Climate (2021–Present)
Cerberus (18km)
Average Low 2021–2026
10.1 °CAverage 2021–2026
14.5 °CAverage High 2021–2026
19.5 °C