Blanche Harbor Weather Forecast

    • 18
    • 32

    Clear

    • 13
    • 20

    Partly cloudy

    • 9
    • 24

    Sunny

    • 11
    • 28

    Sunny

    • 14
    • 33

    Partly cloudy

    • 17
    • 33

    Mostly sunny

    • 17
    • 31

    Partly cloudy

Today 20 Sep Flinders

Mostly clear. Winds westerly 25 to 40 km/h turning south to southwesterly 20 to 30 km/h in the late afternoon.

Spencer Gulf Coastal Waters

Wind
Southwesterly 15 to 20 knots, reaching up to 25 knots north of Cowell to Wallaroo in the evening.
Seas
1 to 1.5 metres.
1st Swell
South to southwesterly around 1 metre.
Weather
Partly cloudy.
Weather Situation
A trough and cold front will move to the east of SA later Sunday. A high pressure system will move eastwards across waters to the south during Monday then over Victoria and the Tasman Sea on Tuesday. This high will extend a ridge westwards over SA ahead of a low pressure trough that is expected to move over the far west of SA during Wednesday. The trough will slip southeastwards over the Bight during Thursday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Blanche Harbor Temperature Statistics View More

September Temperature

Port Augusta Airport (20km)

  • Lowest 18 September, 2026

    3 °C

  • Average September

    15.4 °C

  • Highest 13 September, 2026

    30.3 °C

Climate (2021–2026)

Port Augusta Airport (20km)

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  • Average Low 2021–2026

    12.6 °C

  • Average 2021–2026

    19 °C

  • Average High 2021–2026

    26.2 °C
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