Third Rocks Weather Forecast

    • 13
    • 22

    Sunny

    • 17
    • 20

    Showers

    • 15
    • 19

    Showers

    • 15
    • 18

    Showers easing

    • 12
    • 16

    Showers

    • 9
    • 17

    Mostly sunny

    • 10
    • 18

    Possible shower

Today 15 Jul Perth

Sunny. Winds north to northeasterly 15 to 25 km/h.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Northeasterly 15 to 20 knots turning northerly in the middle of the day.
Seas
1 to 1.5 metres, decreasing below 1 metre during the afternoon.
1st Swell
Southwesterly 1.5 to 2 metres.
Weather
Sunny.
Weather Situation
A ridge to the south and will be pushed northwards as a cold front moves over the area Thursday afternoon, followed by a second cold front later Friday and into Saturday. A weak ridge begin to develop over the central west cost north of the local waters on Sunday.
Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Third Rocks Temperature Statistics View More

July Temperature

Garden Island (8km)

  • Lowest 8 July, 2026

    7 °C
  • Average July

    14.4 °C
  • Highest 9 July, 2026

    20.7 °C

Climate (2021–2026)

Garden Island (8km)

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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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