Mollymook Weather Forecast
- 19
- 30
Partly cloudy
- 18
- 27
Showers. Possible storm
- 20
- 25
Becoming cloudy
- 16
- 24
Partly cloudy
- 16
- 28
Sunny day. Late shower or two
- 16
- 20
Shower or two
- 13
- 21
Partly cloudy
Today 20 Dec South Coast
Mostly clear. Slight chance of a shower in the north, near zero chance elsewhere. The chance of a thunderstorm in the north, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding. Light winds.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Northerly 10 to 15 knots, reaching up to 20 knots offshore north of Port Kembla.
- Seas
- Around 1 metre.
- 1st Swell
- Southerly below 1 metre.
- Weather
- Mostly clear. The chance of a thunderstorm inshore.
- Weather Situation
- A high in the Tasman Sea is directing northerly winds over central and northern Coastal Waters while a weak coastal trough brings southerly winds to the remainder. A cold front will bring a fresh to strong southerly change to the southern half on Monday.
Mollymook Temperature Statistics View More
December Temperature
Ulladulla (2km)
Lowest 2 December, 2025
9.7 °CAverage December
19.5 °CHighest 6 December, 2025
37.1 °C
Climate (2020–Present)
Ulladulla (2km)
Average Low 2020–2025
13.7 °CAverage 2020–2025
17 °CAverage High 2020–2025
20.8 °C