Port Arthur Weather Forecast

    • 15
    • 28

    Sunny

    • 17
    • 30

    Sunny

    • 19
    • 30

    Sunny

    • 19
    • 27

    Partly cloudy

    • 15
    • 20

    Cloudy

    • 12
    • 18

    Cloudy

    • 11
    • 21

    Partly cloudy

Today 22 Mar Yorke Peninsula

Sunny. Light winds becoming south to southeasterly 15 to 25 km/h in the early afternoon. Daytime maximum temperatures around 30.

Gulf St Vincent Coastal Waters

Wind
Variable below 10 knots becoming south to southeasterly 10 to 15 knots in the early afternoon.
Seas
Below 1 metre.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Sunny.
Weather Situation
A high pressure system over the Tasman sea, extends a ridge over southern SA. A broad trough moves over SA early next week, then a cold front clips the southeast and an upper trough moves up over SA Wednesday and Thursday. A new ridge develops south of the Bight mid next week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Arthur Temperature Statistics View More

March Temperature

Kadina Airport (41km)

  • Lowest 14 March, 2026

    8.7 °C

  • Average March

    19.6 °C

  • Highest 10 March, 2026

    33.5 °C

Climate (2021–Present)

Kadina Airport (41km)

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  • Average Low 2021–2026

    10.1 °C

  • Average 2021–2026

    16.4 °C

  • Average High 2021–2026

    23.5 °C
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