Withnell Bay Weather Forecast

    • 20
    • 31

    Sunny

    • 20
    • 33

    Sunny

    • 22
    • 33

    Mostly sunny

    • 22
    • 33

    Cloud clearing

    • 22
    • 33

    Sunny

    • 22
    • 32

    Sunny

    • 21
    • 31

    Sunny

Today 19 Sep Pilbara

Partly cloudy. Light winds becoming southeast to southwesterly 15 to 20 km/h in the morning then tending northwest to southwesterly 15 to 25 km/h in the middle of the day. Overnight temperatures falling to between 17 and 22 with daytime temperatures reaching the low to high 30s.

Pilbara East Coastal Waters

Wallal to Cape Preston
Wind
West to southwesterly 10 to 15 knots tending south to southwesterly in the early morning then turning west to northwesterly in the late morning.
Seas
Below 1 metre.
1st Swell
Westerly below 1 metre.
Weather
Sunny.
Weather Situation
A weak trough near the Pilbara and Kimberley coasts moves inland over the weekend, while a weak ridge builds over northwest Gascoyne. A broad trough will develop over the north next week as the ridge weakens.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Withnell Bay Temperature Statistics View More

September Temperature

Karratha Airport (14km)

  • Lowest 7 September, 2026

    15.1 °C

  • Average September

    24.9 °C

  • Highest 16 September, 2026

    34.6 °C

Climate (2021–2026)

Karratha Airport (14km)

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  • Average Low 2021–2026

    21.6 °C

  • Average 2021–2026

    26.7 °C

  • Average High 2021–2026

    32.8 °C
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