Fremantle Inner Harbour Entrance Weather Forecast

    • 15
    • 21

    Mostly sunny

    • 13
    • 21

    Sunny

    • 13
    • 21

    Mostly sunny

    • 13
    • 21

    Possible shower

    • 12
    • 21

    Mostly sunny

    • 12
    • 20

    Shower or two

    • 11
    • 20

    Shower or two

Today 20 Sep Perth

Partly cloudy. Slight chance of a shower in the northeast, near zero chance elsewhere. Light winds.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
South to southwesterly below 10 knots.
Seas
Below 0.5 metres.
1st Swell
West to southwesterly 1.5 to 2.5 metres.
Weather
Mostly sunny.
Weather Situation
A ridge sits over the local waters, weakening Monday night and strengthening later Tuesday ahead of the next cold front on Thursday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Fremantle Inner Harbour Entrance Temperature Statistics View More

September Temperature

Swanbourne (11km)

  • Lowest 1 September, 2026

    9.6 °C

  • Average September

    17 °C

  • Highest 16 September, 2026

    30.7 °C

Climate (2021–2026)

Swanbourne (11km)

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  • Average Low 2021–2026

    14.5 °C

  • Average 2021–2026

    18.8 °C

  • Average High 2021–2026

    24.3 °C
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