Harrismith Weather Forecast
- 6
- 18
Shower
- 5
- 16
Fog
- 5
- 18
Cloudy
- 6
- 20
Cloudy
- 7
- 22
Cloudy
- 6
- 24
Partly cloudy
- 8
- 27
Sunny
Today 17 Sep Great Southern
Partly cloudy. Slight chance of a shower in the east, becoming less likely later this evening. Near zero chance of rain elsewhere. Winds westerly 20 to 30 km/h becoming light in the evening.
Harrismith Temperature Statistics View More
September Temperature
Lake Grace (59km)
Lowest 1 September, 2025
1.2 °CAverage September
10.9 °CHighest 12 September, 2025
23.5 °C
Climate (2020–Present)
Lake Grace (59km)
Average Low 2020–2025
10.4 °CAverage 2020–2025
16.4 °CAverage High 2020–2025
23.8 °C