Seal Island Weather Forecast

    • 12
    • 19

    Showers

    • 14
    • 18

    Showers easing

    • 11
    • 19

    Partly cloudy

    • 11
    • 21

    Sunny

    • 10
    • 20

    Sunny

    • 11
    • 20

    Sunny

    • 14
    • 21

    Partly cloudy

Today 29 Sep Perth

Partly cloudy. The chance of fog about the hills early this morning. High chance of showers. Light winds becoming westerly 15 to 20 km/h in the middle of the day then becoming light in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Variable about 10 knots becoming westerly 10 to 15 knots in the middle of the day.
Seas
Below 1 metre.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Partly cloudy. 80% chance of showers.
Weather Situation
A trough lies over southwest WA with a connected low south of the state. The trough is moving east as a ridge extends over the west coast. A cold front will cross the southwest corner of the state overnight on Tuesday with a ridge then dominating the synoptic pattern for the remainder of the working week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Seal Island Temperature Statistics View More

September Temperature

Garden Island (5km)

  • Lowest 1 September, 2026

    10.2 °C

  • Average September

    16.7 °C

  • Highest 16 September, 2026

    29.3 °C

Climate (2021–2026)

Garden Island (5km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    15.1 °C

  • Average 2021–2026

    18.9 °C

  • Average High 2021–2026

    23.3 °C
Get WillyWeather+ to remove ads