Port Arthur Weather Forecast
- 15
- 31
Partly cloudy
- 18
- 23
Shower
- 17
- 24
Cloudy
- 18
- 25
Cloudy
- 17
- 26
Partly cloudy
- 17
- 26
Partly cloudy
- 16
- 25
Sunny
Today 15 Mar Yorke Peninsula
Partly cloudy. Slight chance of a shower. Winds southerly 15 to 25 km/h.
Gulf St Vincent Coastal Waters
- Wind
- Southerly 10 to 15 knots, reaching up to 20 knots near the Yorke Peninsula coast.
- Seas
- Around 1 metre.
- 1st Swell
- Southeast to southwesterly below 0.5 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A trough over western and northern SA will continue to move northeast early in the week. A ridge of high pressure persists over the south. A cold front clips the southeast on Tuesday.
Port Arthur Temperature Statistics View More
March Temperature
Kadina Airport (41km)
Lowest 14 March, 2026
8.7 °CAverage March
19 °CHighest 10 March, 2026
33.5 °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