Cornwall Island Weather Forecast

    • 16
    • 18

    Fog

    • 16
    • 16

    Partly cloudy

    • 14
    • 18

    Sunny

    • 16
    • 18

    Partly cloudy

    • 16
    • 17

    Shower

    • 15
    • 15

    Shower

    • 14
    • 15

    Shower

Today 18 Oct South East Coastal

Partly cloudy. Slight chance of a shower near the coast east of Esperance in the morning. Near zero chance of rain elsewhere. The chance of a thunderstorm in the east in the morning. Winds westerly 20 to 30 km/h increasing to 35 km/h before turning south to southwesterly 20 to 30 km/h in the afternoon, then decreasing to 15 to 20 km/h in the evening. Daytime maximum temperatures 24 to 30.

Esperance Coastal Waters

Bremer Bay to Israelite Bay
Wind
Westerly 15 to 20 knots turning southwesterly in the early afternoon. Winds reaching up to 30 knots west of Esperance during the afternoon and evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2.5 metres around midday.
1st Swell
Southwesterly 1.5 to 2.5 metres.
Weather
The chance of morning fog east of Esperance with reduced visibility. The chance of a thunderstorm east of Esperance in the morning. Mostly sunny afternoon.
Weather Situation
A cold front moves through the southwest coast early this morning. A ridge builds in their wake, ahead of another cold front approaching the south coast on Tuesday, crossing the south coast on Wednesday.
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

    15.5 °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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