Wannanup - Oceanside Weather Forecast

    • 11
    • 17

    Shower or two

    • 10
    • 19

    Sunny

    • 11
    • 21

    Partly cloudy

    • 13
    • 22

    Sunny

    • 14
    • 20

    Showers

    • 11
    • 17

    Partly cloudy

    • 10
    • 17

    Cloudy

Today 27 Aug Mandurah

Cloudy. Medium chance of showers, becoming less likely early this morning. Winds southerly 20 to 30 km/h tending southeasterly 20 to 25 km/h in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly 15 to 25 knots, reaching up to 30 knots during the morning. Winds tending southeasterly 15 to 20 knots in the evening.
Seas
1.5 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Cloudy. 60% chance of showers.
Weather Situation
A slow-moving cold front over southwest WA will weaken and combine with a trough over the Goldfields today, as a ridge begins to extend south of the state. The ridge will slowly move east on Friday and Saturday with a weak west coast trough developing from Saturday afternoon.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Wannanup - Oceanside Temperature Statistics View More

August Temperature

Mandurah (10km)

  • Lowest 11 August, 2026

    5.4 °C

  • Average August

    14.8 °C

  • Highest 16 August, 2026

    22.3 °C

Climate (2021–2026)

Mandurah (10km)

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  • Average Low 2021–2026

    15.1 °C

  • Average 2021–2026

    19.1 °C

  • Average High 2021–2026

    23.8 °C
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