Deep Creek Entrance Weather Forecast

    • 11
    • 21

    Sunny

    • 15
    • 21

    Partly cloudy

    • 11
    • 14

    Cloudy

    • 9
    • 16

    Partly cloudy

    • 10
    • 20

    Partly cloudy

    • 14
    • 23

    Cloudy

    • 14
    • 23

    Partly cloudy

Today 19 Sep Kangaroo Island

Sunny. Winds north to northwesterly 15 to 25 km/h becoming light in the late afternoon then becoming northerly 15 to 25 km/h in the late evening. Daytime maximum temperatures in the low to mid 20s.

Investigator Strait Coastal Waters

Wind
North to northeasterly about 10 knots increasing to 15 to 20 knots in the evening.
Seas
Below 1 metre.
1st Swell
West to southwesterly below 1 metre.
Weather
Clear.
Weather Situation
A high pressure system centred over NSW will extend a ridge westwards over SA during Saturday. A cold front will approach from the west late Saturday then move across SA on Sunday. Another high pressure system will move eastwards across waters to the south during Monday then over Victoria and the Tasman Sea on Tuesday. This high will extend a ridge westwards over SA ahead of a low pressure trough that is expected to move over the far west of SA during Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Deep Creek Entrance Temperature Statistics View More

September Temperature

Cape Willoughby (24km)

  • Lowest 2 September, 2026

    9.9 °C

  • Average September

    13.4 °C

  • Highest 12 September, 2026

    20.3 °C

Climate (2021–2026)

Cape Willoughby (24km)

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  • Average Low 2021–2026

    13.3 °C

  • Average 2021–2026

    15.4 °C

  • Average High 2021–2026

    18.4 °C
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