Port Arthur Weather Forecast

    • 14
    • 17

    Partly cloudy

    • 12
    • 21

    Cloudy

    • 12
    • 24

    Partly cloudy

    • 16
    • 27

    Partly cloudy

    • 17
    • 29

    Partly cloudy

    • 18
    • 26

    Partly cloudy

    • 15
    • 25

    Partly cloudy

Today 27 Mar Yorke Peninsula

Partly cloudy. Slight chance of a shower. Winds southerly 25 to 35 km/h decreasing to 15 to 25 km/h in the late evening.

Gulf St Vincent Coastal Waters

Wind
Southerly 15 to 20 knots.
Seas
1.5 metres.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system south of the Bight will move slowly eastwards over the weekend to be centred over the Tasman Sea on Monday. A trough is forecast to enter the far west on Tuesday before sliding over southern parts of SA on Wednesday.
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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

    20 °C

  • Highest 24 March, 2026

    33.6 °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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