Garden Island Boat Ramp Weather Forecast

    • 13
    • 19

    Showers increasing

    • 11
    • 17

    Showers easing

    • 9
    • 17

    Partly cloudy

    • 8
    • 16

    Possible shower

    • 9
    • 17

    Shower or two

    • 8
    • 18

    Partly cloudy

    • 10
    • 17

    Shower or two

Today 18 Aug Adelaide

Partly cloudy. High chance of showers, most likely this evening. Winds north to northeasterly 15 to 20 km/h becoming light in the late afternoon then becoming north to northeasterly 15 to 25 km/h in the evening.

Adelaide Metropolitan Waters

Wind
Northeasterly 10 to 15 knots turning northerly in the late evening. Winds reaching up to 20 knots south of Port Noarlunga in the late evening.
Seas
Below 1 metre.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Partly cloudy. 80% chance of showers.
Weather Situation
A large blocking high pressure system persists over the Tasman Sea. An upper level disturbance responsible for precipitation over central and eastern parts will weaken today as a weakening cold front moves across western parts today and across the southeast on Wednesday. A high pressure ridge is expected to develop over South Australia from Wednesday afternoon with weak troughs clipping the southeast in a broad westerly flow on Thursday and Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Garden Island Boat Ramp Temperature Statistics View More

August Temperature

Parafield Airport (8km)

  • Lowest 5 August, 2026

    1.3 °C

  • Average August

    11.8 °C

  • Highest 7 August, 2026

    20.2 °C

Climate (2021–2026)

Parafield Airport (8km)

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  • Average Low 2021–2026

    11.2 °C

  • Average 2021–2026

    17.1 °C

  • Average High 2021–2026

    23.6 °C
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