Moonta Bay Weather Forecast

    • 12
    • 21

    Shower or two. Possible storm

    • 10
    • 21

    Possible shower

    • 9
    • 20

    Possible shower

    • 9
    • 20

    Showers

    • 8
    • 20

    Shower or two

    • 7
    • 20

    Partly cloudy

    • 7
    • 20

    Mostly sunny

Today 16 May Yorke Peninsula

Partly cloudy. Medium chance of showers. The chance of a thunderstorm in the afternoon and evening. Winds northwesterly 15 to 25 km/h becoming light in the early afternoon. Daytime maximum temperatures in the low 20s.

Spencer Gulf Coastal Waters

Wind
North to northwesterly 10 to 15 knots becoming variable about 10 knots in the middle of the day.
Seas
Around 1 metre, decreasing below 0.5 metres by early evening.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo by early evening.
Weather
Partly cloudy. 60% chance of showers. The chance of a thunderstorm in the afternoon and evening.
Weather Situation
A trough of low pressure about eastern waters will move into Bass Strait early Sunday morning. A ridge of high pressure builds in the west. A cold front will move over the south early in the week, followed by a high pressure system, which will linger in the Bight midweek.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Moonta Bay Temperature Statistics View More

May Temperature

Kadina Airport (13km)

  • Lowest 11 May, 2026

    7.2 °C

  • Average May

    15.5 °C

  • Highest 1 May, 2026

    29.2 °C

Climate (2021–Present)

Kadina Airport (13km)

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  • Average Low 2021–2026

    10.2 °C

  • Average 2021–2026

    16.4 °C

  • Average High 2021–2026

    23.5 °C
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