Lake Cataract Weather Forecast
- 20
- 31
Storm
- 20
- 34
Storm
- 22
- 30
Shower
- 17
- 29
Shower
- 16
- 30
Partly cloudy
- 16
- 23
Shower
- 15
- 22
Cloudy
Today 20 Dec Illawarra
Partly cloudy. High chance of showers, most likely in the morning and afternoon. The chance of a thunderstorm in the morning and afternoon, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding inland. Light winds becoming northwest to northeasterly 15 to 25 km/h in the middle of the day then becoming light in the evening. Overnight temperatures falling to between 17 and 21 with daytime temperatures reaching the low to mid 30s.
Lake Cataract Temperature Statistics View More
December Temperature
Bellambi (15km)
Lowest 2 December, 2025
12.8 °CAverage December
20.9 °CHighest 5 December, 2025
36.7 °C
Climate (2020–Present)
Bellambi (15km)
Average Low 2020–2025
15 °CAverage 2020–2025
18 °CAverage High 2020–2025
21.8 °C