Hartley Weather Forecast
- 15
- 24
Partly cloudy
- 12
- 22
Cloudy
- 11
- 20
Cloudy
- 9
- 26
Sunny
- 11
- 36
Sunny
- 16
- 39
Sunny
- 19
- 35
Mostly sunny
Today 13 Dec Mount Lofty Ranges
Slight chance of a shower in the morning and early afternoon. The chance of a thunderstorm in the morning. Mostly sunny afternoon. Winds south to southeasterly 20 to 30 km/h tending south to southwesterly in the late morning and afternoon. Overnight temperatures falling to between 13 and 16 with daytime temperatures reaching 21 to 29.
Hartley Temperature Statistics View More
December Temperature
Strathalbyn Racecourse (14km)
Lowest 3 December, 2025
8.4 °CAverage December
18.3 °CHighest 4 December, 2025
35.5 °C
Climate (2020–Present)
Strathalbyn Racecourse (14km)
Average Low 2020–2025
10.3 °CAverage 2020–2025
15.3 °CAverage High 2020–2025
21.5 °C