Southern Harbour Weather Forecast

    • 9
    • 20

    Clear

    • 10
    • 21

    Sunny

    • 10
    • 22

    Sunny

    • 11
    • 18

    Showers. Windy

    • 11
    • 18

    Showers. Windy

    • 12
    • 18

    Showers

    • 10
    • 18

    Showers

Today 23 Jun Perth

Clear. Light winds.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
South to southeasterly below 10 knots becoming easterly in the late evening.
Seas
Below 0.5 metres.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Clear.
Weather Situation
A weak ridge extends over the local waters, directing easterly winds until Wednesday. Winds freshening and turning north to northeasterly on Thursday, ahead of a significant cold front moving through on Friday. A deep low pressure system will then move to the south on Saturday.
Graph Plots Open in Graphs

  • 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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