Greenfield Gully Entrance Weather Forecast
- 19
- 30
Mostly sunny
- 21
- 25
Shower or two
- 14
- 22
Partly cloudy
- 16
- 25
Cloudy
- 16
- 28
Mostly sunny
- 18
- 29
Possible shower
- 18
- 26
Cloudy
Today 31 Jan Illawarra
Mostly sunny. The chance of fog early this morning. Slight chance of a shower about higher ground during this afternoon and evening. Near zero chance of rain elsewhere. The chance of a thunderstorm during this afternoon and evening. Thunderstorms possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding during this afternoon and evening. Light winds becoming east to northeasterly 15 to 25 km/h in the middle of the day then becoming light in the late evening. Daytime maximum temperatures 30 to 37.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- North to northeasterly 15 to 20 knots, reaching up to 25 knots offshore during the afternoon and evening.
- Seas
- Around 1 metre, increasing to 1.5 to 2 metres around midday.
- 1st Swell
- Northeasterly below 1 metre.
- Weather
- Mostly sunny. The chance of a thunderstorm south of Point Perpendicular during this afternoon and evening.
- Weather Situation
- A ridge extends from a high situated in the Tasman Sea, maintaining northeasterly winds. The ridge will weaken on Sunday ahead of a southerly change that will move north along the coast, reaching the Coffs Coast by late night.
Greenfield Gully Entrance Temperature Statistics View More
January Temperature
Point Perpendicular (10km)
Lowest 12 January, 2026
15.6 °CAverage January
21.1 °CHighest 10 January, 2026
39.6 °C
Climate (2021–Present)
Point Perpendicular (10km)
Average Low 2021–2026
14.7 °CAverage 2021–2026
17.4 °CAverage High 2021–2026
20.7 °C