Arno Bay Weather Forecast

    • 13
    • 21

    Partly cloudy

    • 11
    • 22

    Cloud clearing

    • 11
    • 32

    Partly cloudy

    • 17
    • 27

    Shower or two. Possible storm

    • 13
    • 20

    Showers

    • 9
    • 17

    Shower or two

    • 7
    • 17

    Cloudy

Today 20 Oct Eastern Eyre Peninsula

Mostly sunny. Winds southeast to southwesterly 20 to 30 km/h. Daytime maximum temperatures 23 to 28.

Spencer Gulf Coastal Waters

Wind
South to southwesterly 10 to 15 knots, reaching up to 20 knots north of Cowell to Wallaroo during the afternoon and evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres north of Cowell to Wallaroo by early evening.
1st Swell
South to southwesterly below 1 metre, increasing to around 1 metre south of Cowell to Wallaroo.
Weather
Partly cloudy.
Weather Situation
A trough of low pressure over southeastern South Australia lingers in the east, before weakening from Thursday. A slow moving high pressure system in the Tasman Sea re-establishes a ridge across southern parts from Wednesday. Another series of troughs move into western parts on Thursday and broadly across SA on Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Arno Bay Temperature Statistics View More

October Temperature

Cleve Aerodrome (23 km)

  • Lowest 14 October, 2026

    5.7 °C

  • Average October

    16.6 °C

  • Highest 18 October, 2026

    33.2 °C

Climate (2021–2026)

Cleve Aerodrome (23 km)

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  • Average Low 2021–2026

    11.5 °C

  • Average 2021–2026

    16.2 °C

  • Average High 2021–2026

    22.5 °C
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