Jetty Rock Weather Forecast

    • 12
    • 16

    Shower

    • 11
    • 16

    Shower

    • 12
    • 19

    Cloudy

    • 11
    • 21

    Cloudy

    • 12
    • 23

    Cloudy

    • 14
    • 28

    Sunny

    • 17
    • 23

    Shower

Today 26 Mar Lower South East

Partly cloudy. High chance of showers, becoming less likely late this afternoon and evening with possible small hail in the south. Winds southwesterly 20 to 30 km/h increasing to 30 to 45 km/h in the morning then turning southerly in the early afternoon. Daytime maximum temperatures around 17.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southwesterly 15 to 25 knots, reaching up to 30 knots during the day. Winds turning southerly 20 to 25 knots in the early afternoon.
Seas
1 to 1.5 metres, increasing to 2 to 2.5 metres during the morning.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Partly cloudy. 90% chance of showers, with possible small hail south of Port MacDonnell during this afternoon and evening.
Weather Situation
A broad trough lies over eastern SA. A cold front will clip the southeast tomorrow as a high pressure system starts to build south of the Bight. The high will become established south of SA by Friday before starting to move east towards the Tasman Sea on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Jetty Rock Temperature Statistics View More

March Temperature

Mount Gambier Airport (35km)

  • Lowest 10 March, 2026

    7.2 °C

  • Average March

    16.6 °C

  • Highest 23 March, 2026

    31.5 °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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