Yankalilla Bay Weather Forecast

    • 15
    • 20

    Shower

    • 11
    • 16

    Shower

    • 9
    • 15

    Shower

    • 11
    • 17

    Shower

    • 10
    • 18

    Cloudy

    • 9
    • 18

    Partly cloudy

    • 10
    • 19

    Partly cloudy

Today 9 Apr Mount Lofty Ranges

Partly cloudy. High chance of showers, most likely later this evening. Winds northwesterly 25 to 40 km/h turning westerly 25 to 35 km/h in the late afternoon.

Investigator Strait Coastal Waters

Wind
Westerly 20 to 25 knots, reaching up to 30 knots in the late evening.
Seas
1.5 to 2 metres.
1st Swell
West to southwesterly 1 to 1.5 metres, increasing to 1 to 2 metres by early evening.
Weather
Partly cloudy. 70% chance of showers.
Weather Situation
A low pressure trough will move across SA on Thursday followed by a cold front in the south. The trough and front will clear to the east during Friday morning. Another trough will move across waters to the south during Friday then a high pressure system will move across waters south of WA on Saturday to be centred over the Bight on Sunday. This high will move slowly eastwards early next week and a weak cold front will move over southern coastal areas.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Yankalilla Bay Temperature Statistics View More

April Temperature

Parawa West (Second Valley Forest) (9km)

  • Lowest 8 April, 2026

    8.7 °C

  • Average April

    14.7 °C

  • Highest 6 April, 2026

    22.6 °C

Climate (2021–Present)

Parawa West (Second Valley Forest) (9km)

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  • Average Low 2021–2026

    10.4 °C

  • Average 2021–2026

    13.4 °C

  • Average High 2021–2026

    17.6 °C
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