Summercloud Bay Weather Forecast
- 10
- 22
Mostly sunny
- 11
- 25
Sunny
- 13
- 32
Sunny
- 17
- 36
Mostly sunny
- 18
- 38
Partly cloudy
- 16
- 22
Shower or two
- 14
- 27
Partly cloudy
Today 2 Dec Illawarra
Partly cloudy. Slight chance of a shower near the coast, near zero chance elsewhere. Winds west to southwesterly 20 to 30 km/h tending southeast to southwesterly 25 to 35 km/h in the middle of the day then becoming light in the late evening. Daytime maximum temperatures between 19 and 23.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Southwesterly 20 to 25 knots, reaching up to 30 knots during the day. Winds turning southerly 15 to 25 knots in the early afternoon.
- Seas
- 2 to 3 metres.
- 1st Swell
- Southerly 1.5 to 2.5 metres.
- Weather
- Partly cloudy. 50% chance of showers. The chance of a thunderstorm offshore this morning.
- Weather Situation
- A cold front and its associated trough are crossing the coastal waters early this morning, with fresh to strong south to southwesterly winds in the wake. Following this, winds should gradually ease and turn northerly as a high pressure system drifts across the state, entering the Tasman Sea midweek.
Summercloud Bay Temperature Statistics View More
December Temperature
Point Perpendicular (14km)
Lowest 1 December, 2025
13.6 °CAverage December
16.9 °CHighest
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Climate (2020–Present)
Point Perpendicular (14km)
Average Low 2020–2025
14.7 °CAverage 2020–2025
17.4 °CAverage High 2020–2025
20.7 °C