Summer Island Weather Forecast
- 19
- 28
Partly cloudy
- 19
- 25
Shower or two
- 17
- 24
Shower or two
- 16
- 27
Becoming windy. Mostly sunny
- 18
- 28
Possible shower or storm
- 17
- 28
Possible shower
- 17
- 22
Shower or two
Today 10 Dec Mid North Coast
Partly cloudy. The chance of fog inland in the early morning. Medium chance of showers. The chance of a thunderstorm in the afternoon and evening, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding inland. Light winds becoming east to northeasterly 15 to 25 km/h in the middle of the day then becoming light in the late evening. Overnight temperatures falling to between 16 and 20 with daytime temperatures reaching 26 to 31.
Summer Island Temperature Statistics View More
December Temperature
Kempsey Airport (21km)
Lowest 4 December, 2025
7.3 °CAverage December
21.2 °CHighest 6 December, 2025
36.2 °C
Climate (2020–Present)
Kempsey Airport (21km)
Average Low 2020–2025
12.2 °CAverage 2020–2025
17.8 °CAverage High 2020–2025
25 °C