Port Arthur Weather Forecast
- 12
- 21
Partly cloudy
- 12
- 25
Sunny
- 15
- 27
Partly cloudy
- 16
- 29
Partly cloudy
- 18
- 24
Shower
- 14
- 24
Partly cloudy
- 14
- 23
Partly cloudy
Today 28 Mar Yorke Peninsula
Mostly clear. Winds southeasterly 15 to 20 km/h.
Gulf St Vincent Coastal Waters
- Wind
- Southeasterly 10 to 15 knots.
- Seas
- Below 1 metre.
- 1st Swell
- West to southwesterly below 0.5 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system south of Kangaroo Island will move slowly eastwards this weekend to be centred over the Tasman Sea on Monday. A trough is forecast to move across the western and central waters Tuesday afternoon and evening, pushing across southeastern coasts Wednesday morning. Another high pressure system is expected to become established south of the Bight later next week.
Port Arthur Temperature Statistics View More
March Temperature
Kadina Airport (41km)
Lowest 14 March, 2026
8.7 °CAverage March
19.8 °CHighest 24 March, 2026
33.6 °C
Climate (2021–Present)
Kadina Airport (41km)
Average Low 2021–2026
10.1 °CAverage 2021–2026
16.4 °CAverage High 2021–2026
23.5 °C