Cornwall Island Weather Forecast

    • 10
    • 15

    Sunny

    • 11
    • 17

    Sunny

    • 14
    • 15

    Shower

    • 12
    • 18

    Partly cloudy

    • 14
    • 15

    Shower

    • 12
    • 16

    Shower

    • 12
    • 15

    Shower

Today 31 Aug South East Coastal

Sunny. Patches of frost in the north early this morning. Winds northwesterly 15 to 20 km/h becoming light in the middle of the day. Daytime maximum temperatures around 20.

Esperance Coastal Waters

Bremer Bay to Israelite Bay
Wind
Northwesterly 10 to 15 knots becoming variable about 10 knots in the early afternoon.
Seas
Below 1 metre.
1st Swell
Southerly 2 to 2.5 metres, tending southwesterly 2 to 3 metres during the morning.
Weather
Mostly sunny.
Weather Situation
A strong high pressure system over southern WA is slowly moving east and will exit the state later tonight. A west coast trough will form on Monday as a weak cold front brushes past the southwest coast. A cloud band will develop over central and southern WA on Tuesday, with the west coast trough moving inland on Wednesday ahead of a second cold front.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cornwall Island Temperature Statistics View More

August Temperature

Esperance (62km)

  • Lowest 4 August, 2025

    6.4 °C

  • Average August

    13.2 °C

  • Highest 13 August, 2025

    26.5 °C

Climate (2020–Present)

Esperance (62km)

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  • Average Low 2020–2025

    12.6 °C

  • Average 2020–2025

    16.6 °C

  • Average High 2020–2025

    22.3 °C
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