Blanche Harbor Weather Forecast

    • 6
    • 16

    Mostly sunny

    • 8
    • 17

    Possible late shower

    • 9
    • 14

    Rain

    • 10
    • 15

    Showers

    • 9
    • 15

    Possible shower

    • 7
    • 16

    Shower or two

    • 8
    • 15

    Shower or two

Today 23 Jul Flinders

Cloud clearing. The chance of fog west of the ranges this morning. Winds west to northwesterly 15 to 25 km/h tending northwest to northeasterly 15 to 20 km/h in the evening then becoming light in the late evening. Daytime maximum temperatures between 12 and 16.

Spencer Gulf Coastal Waters

Wind
West to northwesterly 10 to 15 knots, reaching up to 20 knots south of Cowell to Wallaroo early in the morning. Winds turning northerly during the day.
Seas
Around 1 metre.
1st Swell
South to southwesterly 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
Weather
Mostly sunny.
Weather Situation
A low pressure system to the southeast is directing a broad westerly flow over southern SA. The flow will turn northwesterly on Thursday ahead of a new low pressure system that is expected to pass over South Australia Friday and Saturday. A high pressure ridge is expected to move in from the west on Sunday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Blanche Harbor Temperature Statistics View More

July Temperature

Port Augusta Airport (20km)

  • Lowest 2 July, 2025

    -0.6 °C

  • Average July

    11.8 °C

  • Highest 13 July, 2025

    21.8 °C

Climate (2020–Present)

Port Augusta Airport (20km)

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  • Average Low 2020–2025

    12.3 °C

  • Average 2020–2025

    18.8 °C

  • Average High 2020–2025

    26.2 °C
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