Twin Rocks Weather Forecast

    • 14
    • 19

    Morning showers

    • 12
    • 17

    Partly cloudy

    • 14
    • 18

    Showers

    • 11
    • 17

    Shower or two

    • 12
    • 19

    Showers. Very windy

    • 10
    • 16

    Showers easing. Very windy

    • 12
    • 17

    Showers. Windy

Today 16 Jul Lower West

High chance of showers this morning. Mostly sunny afternoon. Winds northwest to southwesterly 15 to 20 km/h tending southerly in the morning then becoming light in the late afternoon. Daytime maximum temperatures between 16 and 19.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southwesterly 15 to 20 knots tending southerly in the morning then becoming southeasterly about 10 knots in the late evening.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning.
1st Swell
Southwesterly 2.5 to 3 metres, increasing to 2.5 to 4 metres during the afternoon.
Weather
Partly cloudy. 80% chance of showers.
Weather Situation
A weak cold front moves through this morning, followed by a new ridge developing in it's wake tonight. A second weak cold front sweeps through on Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Twin Rocks Temperature Statistics View More

July Temperature

Rottnest Island (5km)

  • Lowest 8 July, 2025

    11.2 °C

  • Average July

    15.7 °C

  • Highest 6 July, 2025

    21.7 °C

Climate (2020–Present)

Rottnest Island (5km)

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  • Average Low 2020–2025

    16.1 °C

  • Average 2020–2025

    19 °C

  • Average High 2020–2025

    22.8 °C
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