Blanche Harbor Weather Forecast

    • 8
    • 19

    Sunny

    • 10
    • 20

    Mostly sunny

    • 9
    • 20

    Partly cloudy

    • 11
    • 18

    Partly cloudy

    • 8
    • 20

    Sunny

    • 8
    • 22

    Sunny

    • 11
    • 26

    Sunny

Today 6 Sep Flinders

Sunny. Winds northeast to southeasterly 15 to 20 km/h becoming light in the middle of the day then becoming southeast to southwesterly 15 to 20 km/h in the late afternoon. Daytime maximum temperatures between 17 and 20.

Spencer Gulf Coastal Waters

Wind
West to southwesterly about 10 knots tending southerly 10 to 15 knots in the early afternoon.
Seas
Below 1 metre.
1st Swell
South to southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres south of Port Neill to Port Victoria.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure lies across the state. A cold front will move across southern coasts early Monday but the ridge will persist further north. A trough over the interior of WA will be near stationary early to mid next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Blanche Harbor Temperature Statistics View More

September Temperature

Port Augusta Airport (20km)

  • Lowest 3 September, 2026

    5 °C

  • Average September

    15.4 °C

  • Highest 4 September, 2026

    22.7 °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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