Southern Harbour Weather Forecast

    • 10
    • 21

    Clear

    • 10
    • 22

    Sunny

    • 11
    • 19

    Showers. Wind easing

    • 12
    • 18

    Showers. Windy

    • 13
    • 18

    Showers

    • 11
    • 18

    Showers

    • 9
    • 17

    Showers

Today 24 Jun Perth

Clear. Light winds becoming east to northeasterly 15 to 20 km/h in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Northeasterly about 10 knots increasing to 10 to 15 knots in the late evening.
Seas
Below 0.5 metres.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Clear.
Weather Situation
A ridge over southern WA is slowly moving east. A strong cold front will cross the west coast on Friday, followed by a deep low pressure system which will move south of the state over the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Southern Harbour Temperature Statistics View More

June Temperature

Garden Island (12km)

  • Lowest 18 June, 2026

    6.5 °C
  • Average June

    14.6 °C
  • Highest 7 June, 2026

    21 °C

Climate (2021–2026)

Garden Island (12km)

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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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