Cornwall Island Weather Forecast

    • 17
    • 18

    Partly cloudy

    • 17
    • 19

    Windy

    • 17
    • 22

    Windy

    • 20
    • 27

    Partly cloudy

    • 20
    • 22

    Shower

    • 18
    • 18

    Shower

    • 17
    • 18

    Cloudy

Today 13 Dec South East Coastal

The chance of fog in the early morning. Mostly sunny day. Light winds becoming east to southeasterly 20 to 30 km/h in the morning then becoming light in the late evening. Overnight temperatures falling to between 9 and 12 with daytime temperatures reaching 25 to 32.

Esperance Coastal Waters

Bremer Bay to Israelite Bay
Wind
East to southeasterly about 10 knots increasing to 10 to 15 knots in the middle of the day. Winds reaching up to 20 knots west of Esperance in the evening.
Seas
Around 1 metre.
1st Swell
Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres east of Esperance.
Weather
Cloud clearing.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cornwall Island Temperature Statistics View More

December Temperature

Esperance (62km)

  • Lowest 1 December, 2025

    11.3 °C

  • Average December

    19.2 °C

  • Highest 2 December, 2025

    35.9 °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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