Arno Bay Weather Forecast

    • 7
    • 17

    Partly cloudy

    • 12
    • 14

    Cloudy

    • 9
    • 15

    Mostly sunny

    • 7
    • 20

    Mostly sunny

    • 12
    • 25

    Partly cloudy

    • 16
    • 26

    Possible shower then sunny

    • 12
    • 23

    Shower or two

Today 8 Sep Eastern Eyre Peninsula

Becoming cloudy. The chance of morning fog. Slight chance of a shower in the late afternoon and evening. Winds east to southeasterly 15 to 20 km/h becoming light before dawn then becoming southerly 20 to 30 km/h in the middle of the day. Overnight temperatures falling to between 5 and 8 with daytime temperatures reaching around 20.

Spencer Gulf Coastal Waters

Wind
Easterly 10 to 15 knots becoming variable about 10 knots in the morning then becoming southerly 15 to 20 knots in the early afternoon. Winds reaching up to 25 knots south of Cowell to Wallaroo in the late evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres later in the evening.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo.
Weather
Becoming cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Arno Bay Temperature Statistics View More

September Temperature

Cleve Aerodrome (23km)

  • Lowest 7 September, 2026

    6.1 °C

  • Average September

    13.3 °C

  • Highest 4 September, 2026

    23.8 °C

Climate (2021–2026)

Cleve Aerodrome (23km)

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  • Average Low 2021–2026

    11.5 °C

  • Average 2021–2026

    16.2 °C

  • Average High 2021–2026

    22.4 °C
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