Stark Bay Weather Forecast

    • 23
    • 33

    Wind easing. Sunny

    • 23
    • 29

    Mostly sunny

    • 19
    • 23

    Windy. Partly cloudy

    • 17
    • 23

    Wind easing. Sunny

    • 19
    • 24

    Possible shower

    • 17
    • 23

    Partly cloudy

    • 15
    • 24

    Windy. Sunny

Today 21 Jan Lower West

The chance of smoke haze in the morning. Sunny afternoon. Winds easterly 30 to 45 km/h tending northeasterly 20 to 30 km/h in the middle of the day then tending northeast to southeasterly 15 to 25 km/h in the early afternoon. Overnight temperatures falling to between 19 and 23 with daytime temperatures reaching around 40.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Easterly 15 to 20 knots shifting south to southwesterly 10 to 15 knots in the middle of the day then tending south to southeasterly in the evening.
Seas
Around 1 metre, decreasing below 0.5 metres around midday, then increasing to below 1 metre during the afternoon.
1st Swell
Southwesterly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
Weather
Sunny.
Weather Situation
A deep trough offshore will move inland on Thursday as a ridge over the local waters weakens, ahead of a weak cold front brushing the south coast on Friday. A weak ridge will form in the southwest before another cold front approaches over the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Stark Bay Temperature Statistics View More

January Temperature

Rottnest Island (1km)

  • Lowest 18 January, 2026

    15.9 °C

  • Average January

    22.1 °C

  • Highest 1 January, 2026

    31.2 °C

Climate (2021–Present)

Rottnest Island (1km)

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  • Average Low 2021–2026

    16.1 °C

  • Average 2021–2026

    18.9 °C

  • Average High 2021–2026

    22.8 °C
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