Rocky Bay Weather Forecast

    • 8
    • 16

    Partly cloudy

    • 10
    • 17

    Showers developing

    • 8
    • 13

    Showers easing

    • 8
    • 15

    Shower or two

    • 8
    • 16

    Shower or two

    • 8
    • 14

    Showers

    • 8
    • 13

    Showers

Today 20 Jul Mount Lofty Ranges

Partly cloudy. Slight chance of a shower. Winds northerly 15 to 25 km/h becoming light in the late afternoon then becoming north to northeasterly 15 to 20 km/h in the late evening. Daytime maximum temperatures between 13 and 17.

South Central Coastal Waters

Wind
Northerly 15 to 25 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres around midday.
1st Swell
Southwesterly 4 to 5 metres.
Weather
Partly cloudy.
Weather Situation
A weak high pressure ridge over coastal waters will drift eastward as a strong cold front builds in the west on Monday. This front will sweep across coastal waters through Monday, exiting the south east early on Tuesday. A west to northwesterly airstream will establish through the mid week with a ridge over the north of the state.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Rocky Bay Temperature Statistics View More

July Temperature

Hindmarsh Island (12km)

  • Lowest 3 July, 2025

    5.1 °C
  • Average July

    11.8 °C
  • Highest 12 July, 2025

    17.6 °C

Climate (2020–Present)

Hindmarsh Island (12km)

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  • Average Low 2020–2025

    12 °C
  • Average 2020–2025

    15.7 °C
  • Average High 2020–2025

    20.6 °C
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