Jetty Rock Weather Forecast

    • 13
    • 20

    Shower

    • 13
    • 20

    Shower

    • 11
    • 20

    Shower

    • 11
    • 17

    Cloudy

    • 4
    • 19

    Partly cloudy

    • 10
    • 23

    Shower

    • 12
    • 20

    Cloudy

Today 14 Apr Lower South East

Partly cloudy. Medium chance of showers, becoming less likely in the afternoon. Winds westerly 20 to 30 km/h becoming light in the evening. Daytime maximum temperatures around 20.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Westerly 10 to 15 knots, reaching up to 20 knots south of Port MacDonnell in the late morning and afternoon.
Seas
Below 1 metre, increasing to 1 to 1.5 metres south of Beachport.
1st Swell
Southwesterly 2 metres.
Weather
Partly cloudy. 50% chance of showers.
Weather Situation
A high pressure system centred over the south of SA will move slowly eastwards this week and a cold front will move across the far southeast of SA today followed by another cold front on Thursday. A second high pressure system is expected to follow and will become established south of the Bight late Thursday then will move eastwards during Friday and Saturday. A trough will move over the far west on Saturday.
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

    14 °C

  • Highest 5 April, 2026

    25.3 °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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