Blackfellows Caves Weather Forecast

    • 10
    • 18

    Cloudy

    • 11
    • 21

    Shower

    • 12
    • 19

    Partly cloudy

    • 10
    • 20

    Partly cloudy

    • 9
    • 22

    Partly cloudy

    • 8
    • 28

    Partly cloudy

    • 13
    • 22

    Shower

Today 7 Dec Lower South East

Cloudy. Winds west to southwesterly 15 to 20 km/h turning northwesterly 20 to 30 km/h in the evening. Daytime maximum temperatures between 18 and 21.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Westerly 10 to 15 knots turning northwesterly in the middle of the day. Winds reaching up to 25 knots south of Beachport in the evening.
Seas
Around 1 metre, increasing to 1 to 2 metres south of Beachport during the afternoon.
1st Swell
Southwesterly 2.5 to 3 metres, tending westerly 2.5 metres later in the evening.
Weather
Cloudy.
Weather Situation
A high pressure system is building west of the Bight. The high will move slowly eastwards today and early next week to be centred over the Tasman Sea by Monday. Another weak cold front clips the southeast late Monday, before another high pressure ridge develops south of the Bight on Tuesday. A trough of low pressure develops across the far north on Tuesday and Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Blackfellows Caves Temperature Statistics View More

December Temperature

Mount Gambier Airport (34km)

  • Lowest 2 December, 2025

    7.7 °C

  • Average December

    14.9 °C

  • Highest 3 December, 2025

    28.6 °C

Climate (2020–Present)

Mount Gambier Airport (34km)

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  • Average Low 2020–2025

    8.8 °C

  • Average 2020–2025

    13.6 °C

  • Average High 2020–2025

    19.9 °C
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