Yankalilla Bay Weather Forecast

    • 9
    • 12

    Cloudy

    • 8
    • 12

    Cloudy

    • 5
    • 14

    Sunny

    • 7
    • 17

    Sunny

    • 10
    • 20

    Sunny

    • 13
    • 18

    Partly cloudy

    • 9
    • 15

    Partly cloudy

Today 15 Sep Mount Lofty Ranges

Cloudy. Winds southerly 20 to 30 km/h turning southeasterly 15 to 25 km/h in the evening. Daytime maximum temperatures between 13 and 16.

Investigator Strait Coastal Waters

Wind
Southerly 15 to 20 knots turning southeasterly in the late afternoon.
Seas
1 to 1.5 metres.
1st Swell
West to southwesterly 1 to 1.5 metres.
Weather
Cloudy.
Weather Situation
A high pressure ridge is over northern SA and a cold front will move over southern coastal districts early Tuesday. A high pressure system will then move across waters to the south during the week to be centred over Victoria later Thursday then over eastern NSW later Friday. A low pressure trough over the interior of WA may extend into far western parts of SA at times before weakening late Tuesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Yankalilla Bay Temperature Statistics View More

September Temperature

Parawa West (Second Valley Forest) (9km)

  • Lowest 8 September, 2026

    5.2 °C
  • Average September

    11.2 °C
  • Highest 12 September, 2026

    19.4 °C

Climate (2021–2026)

Parawa West (Second Valley Forest) (9km)

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  • Average Low 2021–2026

    10.5 °C
  • Average 2021–2026

    13.5 °C
  • Average High 2021–2026

    17.7 °C
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