Newcastle Weather Forecast
- 14
- 20
Cloudy
- 15
- 21
Showers
- 15
- 22
Showers
- 14
- 22
Showers increasing
- 15
- 23
Showers
- 15
- 22
Shower or two
- 15
- 21
Showers
Today 22 May Newcastle
Cloudy. Medium chance of showers. Winds southerly 15 to 25 km/h.
Hunter Coastal Waters
Seal Rocks to Broken Bay- Wind
- Southeasterly 15 to 20 knots, reaching up to 25 knots offshore north of Port Stephens.
- Seas
- 1.5 metres, increasing to 1.5 to 2 metres offshore north of Norah Head.
- 1st Swell
- Southeasterly 2.5 to 3 metres.
- Weather
- Cloudy.
- Caution
- Large and powerful surf conditions in the evening are expected to be hazardous for coastal activities such as crossing bars by boat and rock fishing.
- Weather Situation
- A high pressure system is over the southern Tasman low lingers offshore over the Tasman Sea whipping fresh to strong southerly winds and large powerful waves along much of the coastline. Winds will generally turn east to northeasterly as the low moves eastwards and a ridge builds over the coastal waters from late Saturday. A trough off the southern half of the coast may develop early next week.
Newcastle Temperature Statistics View More
May Temperature
Newcastle (Nobbys) (2km)
Lowest 8 May, 2026
8.5 °CAverage May
17.9 °CHighest 4 May, 2026
25.6 °C
Climate (2021–Present)
Newcastle (Nobbys) (2km)
Average Low 2021–2026
15.4 °CAverage 2021–2026
18.6 °CAverage High 2021–2026
22.4 °C