Koonawarra Weather Forecast
- 13
- 23
Rain increasing
- 13
- 20
Rain
- 10
- 19
Mostly sunny
- 10
- 20
Shower or two
- 11
- 19
Showers
- 11
- 21
Shower or two
- 11
- 21
Possible shower
Today 18 May Wollongong
Cloudy. Very high chance of rain, most likely late this afternoon and evening. Light winds.
Koonawarra Temperature Statistics View More
May Temperature
Illawarra Regional Airport (6km)
Lowest 10 May, 2026
6.6 °CAverage May
16.3 °CHighest 2 May, 2026
25.6 °C
Climate (2021–Present)
Illawarra Regional Airport (6km)
Average Low 2021–2026
12.4 °CAverage 2021–2026
17.2 °CAverage High 2021–2026
22.8 °C