South Island Weather Forecast

    • 15
    • 22

    Partly cloudy

    • 16
    • 22

    Sunny

    • 18
    • 23

    Partly cloudy

    • 14
    • 21

    Sunny

    • 16
    • 21

    Partly cloudy

    • 16
    • 22

    Partly cloudy

    • 15
    • 21

    Sunny

Today 19 Jul Pilbara

Sunny. Winds east to southeasterly 20 to 30 km/h becoming light in the early afternoon. Daytime maximum temperatures 25 to 30.

Pilbara West Coastal Waters

Cape Preston to North West Cape
Wind
South to southeasterly 10 to 15 knots tending east to southeasterly in the morning then becoming variable about 10 knots in the late afternoon.
Seas
Below 1 metre.
1st Swell
West to southwesterly around 1 metre inshore, increasing to 1.5 to 2.5 metres about offshore western waters.
Weather
Sunny.
Weather Situation
A weak trough will remain over the western Kimberley and eastern Pilbara on Saturday. A strong cold front will move over southern WA on Sunday afternoon, followed by a broad ridge which will extend across central WA on Monday and Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

South Island Temperature Statistics View More

July Temperature

Onslow Airport (31km)

  • Lowest 18 July, 2025

    10.9 °C

  • Average July

    19.9 °C

  • Highest 8 July, 2025

    28.6 °C

Climate (2020–Present)

Onslow Airport (31km)

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

  • Average Low 2020–2025

    20.5 °C

  • Average 2020–2025

    25.8 °C

  • Average High 2020–2025

    32.8 °C
Get WillyWeather+ to remove ads