Mouth Flat Beach Weather Forecast

    • 14
    • 18

    Rain

    • 11
    • 15

    Shower

    • 10
    • 15

    Shower

    • 9
    • 15

    Shower

    • 8
    • 15

    Shower

    • 8
    • 15

    Partly cloudy

    • 9
    • 16

    Shower

Today 17 Jun Kangaroo Island

Cloudy. Very high chance of rain, most likely from late this morning. The chance of a thunderstorm. Winds northerly 25 to 35 km/h tending northwesterly 15 to 25 km/h in the late evening. Daytime maximum temperatures around 17.

South Central Coastal Waters

Wind
Northerly 15 to 25 knots, reaching up to 30 knots west of Kangaroo Island in the late morning and early afternoon.
Seas
1 to 2 metres.
1st Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Cloudy. Near 100% chance of rain. The chance of a thunderstorm.
Weather Situation
A high pressure system centred over the Tasman Sea extends a ridge over eastern parts of SA. A low pressure system south of the Bight will remain slow-moving until later Thursday when it will move southeastwards. An associated cold front will move across SA today followed by a second front later Thursday and Friday. A high pressure system will move across from the west over the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mouth Flat Beach Temperature Statistics View More

June Temperature

Cape Willoughby (17km)

  • Lowest 5 June, 2026

    9.8 °C

  • Average June

    14.4 °C

  • Highest 12 June, 2026

    20.1 °C

Climate (2021–Present)

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

    18.4 °C
Get WillyWeather+ to remove ads