Mollymook Weather Forecast
- 15
- 26
Possible shower or storm
- 17
- 31
Becoming windy. Mostly sunny
- 15
- 19
Cloudy
- 15
- 19
Cloudy
- 13
- 24
Sunny
- 15
- 29
Sunny
- 17
- 30
Partly cloudy
Today 13 Dec South Coast
Partly cloudy. The chance of fog early this morning. Medium chance of showers, most likely during this afternoon and evening. The chance of a thunderstorm during the morning and afternoon, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding near the Victorian border during this afternoon and early evening. Light winds becoming north to northeasterly 15 to 20 km/h in the morning then becoming light in the early afternoon. Daytime maximum temperatures 25 to 30.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- North to northwesterly about 10 knots tending north to northeasterly 15 to 20 knots in the morning then tending north to northwesterly 10 to 15 knots in the late evening.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres around midday.
- 1st Swell
- Easterly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon.
- Weather
- Partly cloudy. 50% chance of showers. The chance of a thunderstorm during this afternoon and evening.
- Weather Situation
- Northeasterly winds are being generated by a coastal trough along the north coast and a ridge of high pressure extending across the south. A cold front is forecast to move up the coast as a southerly change late Sunday into Monday behind which a new ridge of high pressure settled is forecast to settle bringing southeasterly winds through mid week.
Mollymook Temperature Statistics View More
December Temperature
Ulladulla (2km)
Lowest 2 December, 2025
9.7 °CAverage December
19.3 °CHighest 6 December, 2025
37.1 °C
Climate (2020–Present)
Ulladulla (2km)
Average Low 2020–2025
13.8 °CAverage 2020–2025
17 °CAverage High 2020–2025
20.8 °C