Cornwall Island Weather Forecast

    • 15
    • 18

    Shower

    • 16
    • 18

    Partly cloudy

    • 17
    • 18

    Partly cloudy

    • 17
    • 17

    Shower

    • 15
    • 16

    Cloudy

    • 15
    • 18

    Partly cloudy

    • 17
    • 19

    Sunny

Today 15 Oct South East Coastal

Cloudy. High chance of showers, becoming less likely in the late afternoon and evening. The chance of a thunderstorm in the morning and afternoon. Winds northwest to northeasterly 15 to 25 km/h tending northwest to southwesterly in the middle of the day then tending southeast to southwesterly in the late afternoon. Daytime maximum temperatures 23 to 28.

Esperance Coastal Waters

Bremer Bay to Israelite Bay
Wind
Northwest to northeasterly 10 to 15 knots, reaching up to 20 knots east of Hopetoun during the morning. Winds tending southeast to southwesterly in the early afternoon then becoming variable about 10 knots in the late evening.
Seas
1.5 to 2.5 metres, decreasing to 1 metre around midday.
1st Swell
Southwesterly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon, then increasing to 1 to 1.5 metres by early evening.
Weather
Cloudy. 70% chance of showers.
Weather Situation
A cold front moves across the South West Land Division on Thursday, followed by a brief and weak ridge on Friday. Over the weekend, two more weak cold fronts will move across southwest WA while a trough will dominate the weather across eastern parts of southern WA.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cornwall Island Temperature Statistics View More

October Temperature

Esperance (62 km)

  • Lowest 2 October, 2026

    5.5 °C

  • Average October

    14.8 °C

  • Highest 7 October, 2026

    30.1 °C

Climate (2021–2026)

Esperance (62 km)

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  • Average Low 2021–2026

    12.7 °C

  • Average 2021–2026

    16.7 °C

  • Average High 2021–2026

    22.3 °C
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