Port Arthur Weather Forecast

    • 6
    • 17

    Shower

    • 8
    • 15

    Shower

    • 7
    • 15

    Shower

    • 8
    • 16

    Shower

    • 8
    • 16

    Shower

    • 6
    • 16

    Partly cloudy

    • 5
    • 17

    Sunny

Today 10 Jul Yorke Peninsula

Partly cloudy. Medium chance of showers, most likely in the late afternoon and evening. Winds northerly 15 to 25 km/h. Daytime maximum temperatures around 16.

Gulf St Vincent Coastal Waters

Wind
Northerly about 10 knots increasing to 10 to 15 knots in the evening.
Seas
Below 1 metre.
1st Swell
South to southwesterly below 0.5 metres.
Weather
Becoming cloudy. 60% chance of showers in the evening.
Weather Situation
A high pressure system centred east of Tasmania extends a ridge over SA. A cold front will move across the south of SA during Saturday followed by weaker fronts near southern coasts on Sunday and Monday. Another high pressure system develops over southern WA early next week and extends a ridge over western SA.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Arthur Temperature Statistics View More

July Temperature

Kadina Airport (41km)

  • Lowest 4 July, 2026

    2.1 °C

  • Average July

    10.6 °C

  • Highest 8 July, 2026

    18.2 °C

Climate (2021–2026)

Kadina Airport (41km)

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  • Average Low 2021–2026

    10.2 °C

  • Average 2021–2026

    16.5 °C

  • Average High 2021–2026

    23.5 °C
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