Port Stephens Weather Forecast
- 24
- 31
Showers. Possible storm
- 20
- 28
Possible shower
- 19
- 29
Partly cloudy
- 19
- 25
Shower or two
- 17
- 23
Possible shower
- 15
- 24
Partly cloudy
- 15
- 24
Partly cloudy
Today 22 Dec Hunter
Partly cloudy. High chance of showers, most likely this afternoon. A thunderstorm likely, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding. Winds west to northwesterly 15 to 25 km/h shifting east to southeasterly 15 to 20 km/h in the evening. Daytime maximum temperatures 29 to 34.
Hunter Coastal Waters
Seal Rocks to Broken Bay- Wind
- North to northwesterly 15 to 20 knots, reaching up to 25 knots offshore north of Port Stephens early in the morning. Winds tending south to southeasterly 10 to 15 knots in the early afternoon then tending easterly 15 to 20 knots in the late afternoon.
- Seas
- 1 to 2 metres, decreasing to 1 metre during the morning, increasing to 1 to 1.5 metres offshore south of Port Stephens by early evening.
- 1st Swell
- Northeasterly 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the afternoon.
- Weather
- Partly cloudy. 80% chance of showers. The chance of a thunderstorm.
- Weather Situation
- A ridge over the northern Tasman Sea is directing northerly winds along the coast. A cold front will bring a fresh to strong southerly change to the southern half on Monday. This will be followed by another southerly surge on Tuesday through to northern parts of the coast.
Port Stephens Temperature Statistics View More
December Temperature
Williamtown RAAF Base (24km)
Lowest 2 December, 2025
11.3 °CAverage December
23.5 °CHighest 19 December, 2025
41 °C
Climate (2020–Present)
Williamtown RAAF Base (24km)
Average Low 2020–2025
13.3 °CAverage 2020–2025
18 °CAverage High 2020–2025
23.8 °C