Cassini Weather Forecast

    • 13
    • 19

    Shower or two

    • 11
    • 15

    Showers

    • 9
    • 14

    Possible shower

    • 10
    • 20

    Partly cloudy

    • 15
    • 23

    Shower or two

    • 12
    • 20

    Shower or two

    • 10
    • 19

    Showers

Today 25 Sep Kangaroo Island

Cloudy. Medium chance of showers, becoming less likely this morning. The chance of a thunderstorm from late this morning. Light winds becoming southerly 15 to 20 km/h in the middle of the day then tending southeasterly in the early afternoon. Daytime maximum temperatures between 17 and 20.

Investigator Strait Coastal Waters

Wind
Variable about 10 knots becoming southeasterly 10 to 15 knots in the early afternoon.
Seas
Below 1 metre.
1st Swell
West to southwesterly below 1 metre.
Weather
Partly cloudy. 60% chance of showers. The chance of a thunderstorm from late this morning.
Weather Situation
A low pressure trough extends from WA over western SA. This trough will be very slow-moving for the rest of this week and over the weekend. A weakening cold front will slip across southern coasts during today. Another low pressure trough will develop over WA on Sunday and Monday then move over SA early to mid next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cassini Temperature Statistics View More

September Temperature

Kingscote Airport (23km)

  • Lowest 18 September, 2026

    1.8 °C

  • Average September

    12.4 °C

  • Highest 19 September, 2026

    25.5 °C

Climate (2021–2026)

Kingscote Airport (23km)

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  • Average Low 2021–2026

    9.3 °C

  • Average 2021–2026

    14.8 °C

  • Average High 2021–2026

    21.1 °C
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