Port Macdonnell Weather Forecast

    • 12
    • 17

    Cloudy

    • 11
    • 19

    Cloudy

    • 12
    • 22

    Partly cloudy

    • 13
    • 20

    Cloudy

    • 14
    • 20

    Cloudy

    • 12
    • 22

    Partly cloudy

    • 11
    • 27

    Sunny

Today 31 Dec Lower South East

Partly cloudy. Winds south to southeasterly 25 to 40 km/h. Daytime maximum temperatures between 19 and 26.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southeasterly 15 to 20 knots, reaching up to 30 knots north of Port MacDonnell in the evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres north of Port MacDonnell.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Cloudy.
Weather Situation
A high pressure system south of the Bight holds a persistent ridge over coastal waters. This high will move over Tasmania on Friday before it's replaced by a new high pressure system on Saturday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Macdonnell Temperature Statistics View More

December Temperature

Mount Gambier Airport (34km)

  • Lowest 7 December, 2025

    4.7 °C

  • Average December

    16.2 °C

  • Highest 18 December, 2025

    38.9 °C

Climate (2020–Present)

Mount Gambier Airport (34km)

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