Cornwall Island Weather Forecast

    • 13
    • 19

    Sunny

    • 15
    • 18

    Shower

    • 14
    • 18

    Partly cloudy

    • 15
    • 22

    Sunny

    • 16
    • 22

    Partly cloudy

    • 17
    • 18

    Shower

    • 16
    • 17

    Shower

Today 17 May South East Coastal

Sunny. Winds northwesterly 15 to 20 km/h tending westerly in the middle of the day then becoming light in the late afternoon. Daytime maximum temperatures in the low 20s.

Esperance Coastal Waters

Bremer Bay to Israelite Bay
Wind
Northwesterly 10 to 15 knots, reaching up to 20 knots west of Hopetoun in the late morning and early afternoon. Winds turning westerly in the middle of the day.
Seas
Around 1 metre.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Mostly sunny.
Weather Situation
A ridge lies over southern WA and will persist into next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cornwall Island Temperature Statistics View More

May Temperature

Esperance (62km)

  • Lowest 2 May, 2026

    8.2 °C

  • Average May

    15.2 °C

  • Highest 13 May, 2026

    27 °C

Climate (2021–Present)

Esperance (62km)

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  • Average Low 2021–2026

    12.6 °C

  • Average 2021–2026

    16.6 °C

  • Average High 2021–2026

    22.2 °C
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