Blanche Harbor Weather Forecast

    • 9
    • 17

    Morning fog

    • 7
    • 19

    Partly cloudy

    • 7
    • 16

    Shower or two

    • 8
    • 15

    Cloudy

    • 7
    • 15

    Partly cloudy

    • 6
    • 16

    Mostly sunny

    • 5
    • 17

    Sunny

Today 26 Jul Flinders

Partly cloudy. Patchy morning fog. Slight chance of a shower near the coast in the morning and afternoon. Near zero chance of rain elsewhere. Light winds. Daytime maximum temperatures between 14 and 18.

Spencer Gulf Coastal Waters

Wind
Variable about 10 knots becoming northwest to northeasterly 10 to 15 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
Partly cloudy.
Weather Situation
A strong high pressure system centred over the state will slowly drift east and weaken over the weekend. A cold front will move up through the Bight and over southern SA on Monday, with a new high pressure system moving into the Bight mid next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Blanche Harbor Temperature Statistics View More

July Temperature

Port Augusta Airport (20km)

  • Lowest 17 July, 2026

    -0.3 °C

  • Average July

    11.4 °C

  • Highest 21 July, 2026

    21.5 °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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