Umpherstone Bay Weather Forecast

    • 16
    • 24

    Shower

    • 10
    • 19

    Rain

    • 11
    • 16

    Shower

    • 8
    • 16

    Shower

    • 7
    • 17

    Shower

    • 10
    • 18

    Shower

    • 10
    • 19

    Cloudy

Today 23 Oct Lower South East

Partly cloudy. Medium chance of showers, becoming less likely in the late afternoon and evening. The chance of a thunderstorm in the late morning and afternoon. Winds west to northwesterly 20 to 30 km/h turning south to southwesterly 15 to 25 km/h in the afternoon. Daytime maximum temperatures in the low to high 20s.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
West to southwesterly about 10 knots tending south to southwesterly 10 to 15 knots in the early afternoon.
Seas
Below 1 metre.
1st Swell
Southwesterly 3 metres.
Weather
Cloudy.
Weather Situation
A slow moving high pressure system in the Tasman Sea maintains a ridge across eastern parts of the state. A trough of low pressure over the far west is forecast to slowly move eastwards on Friday. Another trough and multiple cold fronts move over the state over the weekend. A ridge of high pressure moves into the west on Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Umpherstone Bay Temperature Statistics View More

October Temperature

Mount Gambier Airport (34 km)

  • Lowest 7 October, 2026

    2.8 °C

  • Average October

    14.7 °C

  • Highest 19 October, 2026

    28.9 °C

Climate (2021–2026)

Mount Gambier Airport (34 km)

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  • Average Low 2021–2026

    8.9 °C

  • Average 2021–2026

    13.8 °C

  • Average High 2021–2026

    20.1 °C
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