Carnac Island Weather Forecast

    • 13
    • 19

    Showers

    • 13
    • 18

    Showers

    • 11
    • 17

    Showers. Possible storm

    • 11
    • 18

    Showers

    • 9
    • 17

    Partly cloudy

    • 9
    • 18

    Partly cloudy

    • 8
    • 18

    Mostly sunny

Today 28 Jun Perth

Cloudy. Very high chance of showers. Winds west to southwesterly 20 to 30 km/h becoming light in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southwesterly 15 to 25 knots decreasing to 10 to 15 knots in the evening.
Seas
1.5 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon.
1st Swell
West to southwesterly 2.5 to 4 metres, decreasing to 2 to 3 metres during the morning.
Weather
Cloudy. Near 100% chance of showers.
Caution
Large and powerful surf conditions until this afternoon are expected to be hazardous for coastal activities such as swimming, surfing and rock fishing.
Weather Situation
Fresh to strong westerly winds through Local Waters, easing later today as a deep low pressures system south of the state moves east. A series of cold fronts and troughs thereafter will maintain the westerly flow across local waters well into next week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Carnac Island Temperature Statistics View More

June Temperature

Garden Island (13km)

  • Lowest 18 June, 2026

    6.5 °C
  • Average June

    14.9 °C
  • Highest 24 June, 2026

    21.3 °C

Climate (2021–2026)

Garden Island (13km)

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  • Average Low 2021–2026

    15.1 °C
  • Average 2021–2026

    18.9 °C
  • Average High 2021–2026

    23.3 °C
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