Royston Island Weather Forecast

    • 23
    • 39

    Wind easing. Partly cloudy

    • 17
    • 26

    Mostly sunny

    • 18
    • 35

    Sunny

    • 23
    • 31

    Mostly sunny

    • 19
    • 25

    Becoming windy. Mostly sunny

    • 17
    • 25

    Partly cloudy

    • 18
    • 27

    Mostly sunny

Today 24 Jan Yorke Peninsula

Mostly sunny. Winds north to northwesterly 35 to 55 km/h shifting south to southeasterly 25 to 35 km/h in the evening. Daytime maximum temperatures in the low to mid 40s.

Catastrophic Fire Danger Rating

For your survival, leave bushfire risk areas

Central Coastal Waters

Wind
North to northwesterly 15 to 20 knots shifting southerly 15 to 25 knots in the morning then tending southeasterly 15 to 20 knots in the late evening. Winds reaching up to 30 knots in the evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres during the afternoon.
1st Swell
Southwesterly around 1 metre, increasing to 1 to 1.5 metres in the west.
Weather
Partly cloudy.
Weather Situation
A trough is forecast to move over southern SA today, and linger through inland parts of SA into Sunday. Another high pressure system is expected to move over waters to the south over the weekend, extending a ridge over southern SA on Sunday, before a second trough moves into the west on Monday and across the south on Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Royston Island Temperature Statistics View More

January Temperature

Stenhouse Bay (13km)

  • Lowest 1 January, 2026

    14.1 °C

  • Average January

    19.5 °C

  • Highest 7 January, 2026

    41.1 °C

Climate (2021–Present)

Stenhouse Bay (13km)

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  • Average Low 2021–2026

    13.1 °C

  • Average 2021–2026

    16 °C

  • Average High 2021–2026

    20.4 °C
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