Swan River - Heirisson Island Weather Forecast

    • 5
    • 17

    Partly cloudy. Possible late shower

    • 8
    • 19

    Showers increasing. Windy

    • 6
    • 15

    Showers easing

    • 6
    • 17

    Showers

    • 9
    • 18

    Showers

    • 7
    • 16

    Showers easing

    • 6
    • 17

    Partly cloudy

Today 19 Jul Perth

Partly cloudy. Slight chance of a shower in the late afternoon and evening. Winds northeast to northwesterly 15 to 20 km/h.

Melville Waters

Wind
Easterly below 10 knots becoming north to northwesterly in the morning.
Weather
Sunny.
Weather Situation
A weak cold front will dissipate over eastern parts of the South West Land Division on Friday evening, with a ridge extending over southern parts of the State during Friday night and Saturday. A strong cold front will cross the South West Land Division during Sunday afternoon and evening, continuing east on Monday as a ridge extends across the southern half of WA.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swan River - Heirisson Island Temperature Statistics View More

July Temperature

Perth Metro (5km)

  • Lowest 11 July, 2025

    2.2 °C

  • Average July

    13 °C

  • Highest 2 July, 2025

    22.3 °C

Climate (2020–Present)

Perth Metro (5km)

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  • Average Low 2020–2025

    13.5 °C

  • Average 2020–2025

    18.9 °C

  • Average High 2020–2025

    25.5 °C
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