Black Rock Weather Forecast

    • 5
    • 24

    Partly cloudy

    • 10
    • 31

    Partly cloudy

    • 13
    • 32

    Partly cloudy

    • 15
    • 25

    Partly cloudy

    • 12
    • 20

    Shower

    • 10
    • 19

    Shower

    • 12
    • 19

    Shower

Today 16 Dec Lower South East

Sunny. Light winds becoming southeasterly 15 to 25 km/h in the early afternoon then becoming light in the evening. Daytime maximum temperatures 24 to 30.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
East to southeasterly about 10 knots increasing to 10 to 15 knots in the middle of the day. Winds reaching up to 20 knots inshore during the afternoon and evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres inshore by early evening.
1st Swell
Southerly 2 to 3 metres.
Weather
Sunny.
Weather Situation
A high pressure system to the south of the state will maintain a ridge across SA as it drifts into the Tasman by Wednesday. A trough of low pressure will briefly enter the far northeast of SA with another trough slowing moving across the south and west on Thursday. A south to southwesterly flow will establish across the coasts on Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Black Rock Temperature Statistics View More

December Temperature

Mount Gambier Airport (34km)

  • Lowest 7 December, 2025

    4.7 °C

  • Average December

    15 °C

  • Highest 12 December, 2025

    32.6 °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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