Riddoch Bay Weather Forecast

    • 10
    • 21

    Cloudy

    • 12
    • 18

    Showers easing

    • 9
    • 15

    Rain

    • 9
    • 15

    Partly cloudy

    • 7
    • 18

    Partly cloudy

    • 9
    • 23

    Possible shower

    • 14
    • 21

    Showers easing

Today 24 Sep Mount Gambier

Cloudy. Slight chance of a shower, most likely later tonight. Light winds.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Northerly 10 to 15 knots turning northwesterly in the late afternoon.
Seas
1 to 1.5 metres, decreasing to 1 metre by early evening.
1st Swell
Southwesterly 2 metres.
Weather
Cloudy. 60% chance of showers.
Weather Situation
A low pressure trough extends from WA over western SA. This trough will be very slow-moving for the rest of this week and over the weekend. A weakening cold front will slip across southern coasts late Thursday and early Friday. Another low pressure trough will develop over WA on Sunday and Monday then move over SA early to mid next week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Riddoch Bay Temperature Statistics View More

September Temperature

Mount Gambier Airport (33km)

  • Lowest 22 September, 2026

    -0.3 °C

  • Average September

    11.4 °C

  • Highest 19 September, 2026

    25.8 °C

Climate (2021–2026)

Mount Gambier Airport (33km)

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  • Average Low 2021–2026

    8.9 °C

  • Average 2021–2026

    13.7 °C

  • Average High 2021–2026

    20.1 °C
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