William Bay Weather Forecast
- 19
- 38
Possible shower or storm
- 17
- 30
Mostly sunny
- 16
- 24
Shower or two
- 15
- 22
Cloudy
- 13
- 25
Partly cloudy
- 13
- 20
Shower or two
- 12
- 21
Partly cloudy
Today 15 Dec South Coastal
Partly cloudy. Slight chance of a shower in the afternoon and early evening. The chance of a thunderstorm in the morning and afternoon, possibly severe with damaging winds and heavy rain which may lead to flash flooding in the afternoon. Winds northeasterly 25 to 35 km/h tending northwest to northeasterly 25 to 40 km/h in the morning then decreasing to 15 to 20 km/h in the evening. Daytime maximum temperatures around 40.
William Bay Temperature Statistics View More
December Temperature
North Walpole (46km)
Lowest 1 December, 2025
11.4 °CAverage December
17.6 °CHighest 1 December, 2025
32.5 °C
Climate (2020–Present)
North Walpole (46km)
Average Low 2020–2025
11.9 °CAverage 2020–2025
15.4 °CAverage High 2020–2025
20.6 °C