Port Macdonnell Offshore Weather Forecast

    • 17
    • 20

    Partly cloudy

    • 17
    • 17

    Partly cloudy

    • 14
    • 15

    Cloudy

    • 14
    • 15

    Shower

    • 14
    • 16

    Shower

    • 14
    • 15

    Shower

    • 15
    • 15

    Cloudy

Today 18 Dec Lower South East

Sunny day. The chance of a thunderstorm in the south in the evening. Winds north to northeasterly 15 to 25 km/h shifting west to southwesterly 25 to 35 km/h in the early afternoon. Overnight temperatures falling to around 13 with daytime temperatures reaching 33 to 41.

Extreme Fire Danger Rating

Take action now to protect life and property

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
North to northeasterly 10 to 15 knots turning west to northwesterly during the morning then becoming variable about 10 knots in the early afternoon.
Seas
Below 1 metre.
1st Swell
Southwesterly around 1 metre.
Weather
Sunny morning. The chance of a thunderstorm south of Beachport in the evening.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Macdonnell Offshore Temperature Statistics View More

December Temperature

Mount Gambier Airport (44km)

  • Lowest 7 December, 2025

    4.7 °C

  • Average December

    15.2 °C

  • Highest 12 December, 2025

    32.6 °C

Climate (2020–Present)

Mount Gambier Airport (44km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    8.8 °C

  • Average 2020–2025

    13.6 °C

  • Average High 2020–2025

    19.9 °C
Get WillyWeather+ to remove ads