Rocky Bay Weather Forecast

    • 11
    • 29

    Mostly clear

    • 18
    • 31

    Partly cloudy

    • 13
    • 25

    Possible late shower

    • 14
    • 21

    Possible shower

    • 11
    • 20

    Partly cloudy

    • 9
    • 25

    Sunny

    • 13
    • 23

    Partly cloudy

Today 3 Dec Mount Lofty Ranges

Clear. Winds north to northwesterly 20 to 30 km/h becoming light in the evening then becoming northwest to northeasterly 15 to 20 km/h in the late evening.

South Central Coastal Waters

Wind
North to northwesterly 15 to 20 knots.
Seas
1 to 1.5 metres.
1st Swell
Southwesterly 1.5 to 2 metres.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure extends over SA from the east, as a low pressure trough moves into the far west late this evening. The trough is expected to move eastwards during Thursday. A ridge of high pressure is then forecast to build over the Bight on Friday and a weak cold front will move across the southern coastal districts on Saturday. The high will slowly move eastwards on Sunday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Rocky Bay Temperature Statistics View More

December Temperature

Encounter Bay (7km)

  • Lowest 2 December, 2025

    11.4 °C

  • Average December

    15 °C

  • Highest 1 December, 2025

    18.5 °C

Climate (2020–Present)

Encounter Bay (7km)

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  • Average Low 2020–2025

    10.4 °C

  • Average 2020–2025

    15.1 °C

  • Average High 2020–2025

    20.6 °C
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