Ellerslie Weather Forecast
- 17
- 31
Possible shower
- 11
- 23
Partly cloudy
- 10
- 21
Showers
- 9
- 20
Possible shower
- 9
- 19
Shower or two clearing
- 7
- 20
Possible shower
- 9
- 18
Cloudy
Today 19 Dec South West
Partly cloudy. Medium chance of showers. The chance of a thunderstorm in the evening. Light winds becoming northwest to northeasterly 15 to 20 km/h in the morning then tending west to southwesterly 20 to 30 km/h in the middle of the day. Overnight temperatures falling to around 17 with daytime temperatures reaching 28 to 36.
Ellerslie Temperature Statistics View More
December Temperature
Mortlake Racecourse (11km)
Lowest 11 December, 2025
1.9 °CAverage December
14.5 °CHighest 4 December, 2025
33.7 °C
Climate (2020–Present)
Mortlake Racecourse (11km)
Average Low 2020–2025
8 °CAverage 2020–2025
13.2 °CAverage High 2020–2025
19.6 °C