Mouth Flat Beach Weather Forecast

    • 10
    • 14

    Windy

    • 10
    • 15

    Partly cloudy

    • 10
    • 16

    Partly cloudy

    • 11
    • 19

    Partly cloudy

    • 14
    • 20

    Shower

    • 12
    • 19

    Shower

    • 11
    • 15

    Shower

Today 9 Sep Kangaroo Island

Cloudy. Winds southeasterly 25 to 35 km/h. Daytime maximum temperatures around 14.

South Central Coastal Waters

Wind
Southeasterly 15 to 25 knots.
Seas
1.5 to 2 metres.
1st Swell
Southwesterly 4 to 5 metres.
Weather
Cloudy.
Weather Situation
A high pressure system centred south of WA extends a ridge across the south of SA. The main high centre will move eastwards during the week to be centred to the east of SA on Friday. A trough over the interior of WA will remain stationary for most of the week and may extend into the far west of SA at times. Another low pressure trough will approach from the west on Saturday.
Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mouth Flat Beach Temperature Statistics View More

September Temperature

Cape Willoughby (17km)

  • Lowest 2 September, 2026

    9.9 °C
  • Average September

    13.3 °C
  • Highest 4 September, 2026

    18.1 °C

Climate (2021–2026)

Cape Willoughby (17km)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2021–2026

    13.3 °C
  • Average 2021–2026

    15.4 °C
  • Average High 2021–2026

    18.5 °C
Get WillyWeather+ to remove ads