Mouth Flat Beach Weather Forecast

    • 6
    • 15

    Partly cloudy

    • 9
    • 15

    Partly cloudy

    • 9
    • 16

    Cloudy

    • 9
    • 15

    Partly cloudy

    • 9
    • 15

    Partly cloudy

    • 8
    • 15

    Partly cloudy

    • 10
    • 16

    Shower

Today 22 Jun Kangaroo Island

Partly cloudy. Patchy morning fog. Slight chance of a shower. Light winds becoming northwesterly 15 to 25 km/h in the middle of the day. Daytime maximum temperatures around 15.

South Central Coastal Waters

Wind
Northwesterly about 10 knots increasing to 15 to 20 knots in the morning.
Seas
Below 0.5 metres, increasing to around 1 metre during the morning.
1st Swell
Southwesterly 2 metres.
Weather
Cloudy. 60% chance of showers.
Weather Situation
A high pressure system centred south of SA will move slowly eastwards today to be centred over NSW later in the day. A cold front will move across southern coastal districts late Tuesday or early Wednesday then a new high will move across waters to the south mid-week to be centred over Tasmania on Thursday.
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 (2021–2026)

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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