Groper Bay Weather Forecast

    • 12
    • 26

    Shower

    • 13
    • 20

    Cloudy

    • 11
    • 21

    Partly cloudy

    • 10
    • 26

    Sunny

    • 13
    • 24

    Cloudy

    • 13
    • 24

    Shower

    • 13
    • 28

    Partly cloudy

Today 5 Dec Lower Eyre Peninsula

Partly cloudy. Medium chance of showers, most likely in the late afternoon and evening. The chance of a thunderstorm in the evening. Light winds becoming southeast to southwesterly 20 to 30 km/h in the middle of the day then becoming light in the late evening. Daytime maximum temperatures 28 to 33.

Central Coastal Waters

Wind
Variable about 10 knots becoming southwesterly 10 to 15 knots in the early afternoon then becoming variable below 10 knots in the late evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Partly cloudy. 70% chance of showers. The chance of a thunderstorm during this afternoon and evening.
Weather Situation
A low pressure trough will linger over the northeast and far north today as a ridge of high pressure builds over the south. The trough will clear to the northeast of SA late Saturday. A weak cold front will move across the southern coastal districts on Saturday as the high centre becomes established over the western Bight. The high will move slowly eastwards on Sunday and early next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Groper Bay Temperature Statistics View More

December Temperature

Port Lincoln Airport (43km)

  • Lowest 2 December, 2025

    8.5 °C

  • Average December

    19.6 °C

  • Highest 3 December, 2025

    35.3 °C

Climate (2020–Present)

Port Lincoln Airport (43km)

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  • Average Low 2020–2025

    11.4 °C

  • Average 2020–2025

    15.7 °C

  • Average High 2020–2025

    21.3 °C
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