Jetty Rock Weather Forecast

    • 7
    • 25

    Shower

    • 14
    • 26

    Shower

    • 13
    • 19

    Shower

    • 7
    • 20

    Cloudy

    • 10
    • 23

    Shower

    • 11
    • 16

    Shower

    • 9
    • 16

    Shower

Today 5 Apr Lower South East

Becoming cloudy. Medium chance of showers this evening. Light winds. Daytime maximum temperatures in the mid to high 20s.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Easterly 10 to 15 knots turning northeasterly during the day.
Seas
1 to 1.5 metres, decreasing below 1 metre during the morning.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Becoming cloudy. 50% chance of showers.
Weather Situation
A high pressure system centred just south of Tasmania will move southeastwards during Sunday. This will allow a trough over WA to link to a weak front south of the Bight then move over western and southern parts of SA later Sunday into Monday. Another high pressure system is expected to follow early next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Jetty Rock Temperature Statistics View More

April Temperature

Mount Gambier Airport (35km)

  • Lowest 4 April, 2026

    3.6 °C

  • Average April

    13.8 °C

  • Highest 1 April, 2026

    23.6 °C

Climate (2021–Present)

Mount Gambier Airport (35km)

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  • Average Low 2021–2026

    8.8 °C

  • Average 2021–2026

    13.7 °C

  • Average High 2021–2026

    20 °C
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