Lighthouse Bay Weather Forecast

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Today 25 May Lower South East

Cloudy. High chance of showers, most likely this evening. Winds northeasterly 15 to 20 km/h becoming light in the middle of the day then becoming easterly 15 to 20 km/h in the early afternoon. Daytime maximum temperatures around 18.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Northeasterly 10 to 15 knots turning easterly in the middle of the day. Winds reaching up to 20 knots south of Port MacDonnell during the afternoon and evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres south of Beachport by early evening.
1st Swell
Southwesterly 1.5 to 2 metres.
Weather
Cloudy. 90% chance of showers.
Weather Situation
A cold front with an embedded low pressure system lies west of Kangaroo Island. The low is expected to move north and over the Eyre Peninsula today, weakening as it moves into NSW on Tuesday. A weak ridge of high pressure begins to move across SA later in the week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Lighthouse Bay Temperature Statistics View More

May Temperature

Mount Gambier Airport (38km)

  • Lowest 22 May, 2026

    3.2 °C

  • Average May

    13.5 °C

  • Highest 1 May, 2026

    28.5 °C

Climate (2021–Present)

Mount Gambier Airport (38km)

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  • Average Low 2021–2026

    8.9 °C

  • Average 2021–2026

    13.7 °C

  • Average High 2021–2026

    20 °C
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