Mouth Flat Beach Weather Forecast

    • 14
    • 18

    Rain

    • 14
    • 18

    Rain

    • 11
    • 16

    Shower

    • 10
    • 15

    Shower

    • 9
    • 15

    Shower

    • 8
    • 15

    Shower

    • 8
    • 15

    Partly cloudy

Today 16 Jun Kangaroo Island

Cloudy. Very high chance of rain. The chance of a thunderstorm in the west this morning. Winds northerly 20 to 30 km/h. Daytime maximum temperatures around 17.

South Central Coastal Waters

Wind
Northerly 15 to 25 knots.
Seas
1 to 2 metres.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Cloudy. Near 100% chance of rain. The chance of a thunderstorm this morning.
Weather Situation
A high pressure system centred over the Tasman Sea extends a ridge over the northeast of SA. A low pressure system will develop over the Bight on Monday then will remain slow-moving until later Thursday when it will move eastwards. An associated cold front will move across SA during Wednesday followed by a second front later Thursday. A high pressure ridge 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

    14.2 °C

  • Highest 12 June, 2026

    20.1 °C

Climate (2021–Present)

Cape Willoughby (17km)

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  • Average Low 2021–2026

    13.3 °C

  • Average 2021–2026

    15.4 °C

  • Average High 2021–2026

    18.4 °C
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