Blanche Harbor Weather Forecast

    • 12
    • 22

    Partly cloudy

    • 13
    • 23

    Partly cloudy

    • 12
    • 23

    Sunny

    • 12
    • 27

    Sunny

    • 14
    • 30

    Sunny

    • 18
    • 27

    Showers

    • 12
    • 22

    Cloud clearing

Today 4 Oct Flinders

Partly cloudy. Slight chance of a shower, becoming less likely later tonight. Winds northwest to southwesterly 15 to 20 km/h becoming light in the late evening.

Spencer Gulf Coastal Waters

Wind
South to southwesterly 10 to 15 knots tending south to southeasterly below 10 knots in the evening.
Seas
Below 1 metre.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Weather
Cloudy.
Weather Situation
A high pressure system south of SA extends a ridge over the state. A cold front is forecast to pass over the southeast early Tuesday, followed quickly by a high pressure system that is expected to pass over the south of the state later Tuesday and on Wednesday, maintaining a ridge over the state. Another cold front is expected to start moving across the Bight later in the week
Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Blanche Harbor Temperature Statistics View More

October Temperature

Port Augusta Airport (20km)

  • Lowest 3 October, 2026

    11.6 °C
  • Average October

    16.8 °C
  • Highest 1 October, 2026

    24 °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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