Boomer Beach Weather Forecast

    • 16
    • 20

    Possible shower

    • 14
    • 20

    Wind easing. Mostly sunny

    • 14
    • 32

    Sunny

    • 21
    • 39

    Afternoon cool change

    • 16
    • 24

    Cloud clearing

    • 15
    • 35

    Sunny

    • 22
    • 31

    Mostly sunny

Today 21 Jan Mount Lofty Ranges

Partly cloudy. Medium chance of showers about the southern Fleurieu Peninsula, most likely during the morning and afternoon. Near zero chance of rain elsewhere. Winds southerly 30 to 45 km/h. Daytime maximum temperatures between 19 and 25.

South Central Coastal Waters

Wind
Southerly 20 to 25 knots, reaching up to 30 knots in the evening. Winds turning southeasterly in the late evening.
Seas
1.5 to 2 metres.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Cloudy.
Weather Situation
A high pressure system south of WA maintains a ridge over coastal waters. The high will start to move eastwards on Thursday to be in the Tasman Sea on Friday, whilst a trough of low pressure approaches from the west. The trough will move over SA on Saturday reaching the northeast in the evening, followed by another high pressure system moving over waters to the south.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Boomer Beach Temperature Statistics View More

January Temperature

Encounter Bay (6km)

  • Lowest 6 January, 2026

    10.1 °C

  • Average January

    19.8 °C

  • Highest 7 January, 2026

    42.1 °C

Climate (2021–Present)

Encounter Bay (6km)

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  • Average Low 2021–2026

    10.4 °C

  • Average 2021–2026

    15.2 °C

  • Average High 2021–2026

    20.6 °C
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