Cornwall Island Weather Forecast

    • 16
    • 16

    Shower

    • 15
    • 16

    Shower

    • 15
    • 17

    Shower

    • 15
    • 19

    Partly cloudy

    • 16
    • 20

    Shower

    • 14
    • 15

    Shower

    • 13
    • 16

    Partly cloudy

Today 27 Aug South East Coastal

Cloudy. Very high chance of rain. The chance of a thunderstorm in the afternoon. Heavy rain which may lead to flash flooding possible in the morning and afternoon. Winds south to southeasterly 25 to 35 km/h. Daytime maximum temperatures between 16 and 23.

Esperance Coastal Waters

Bremer Bay to Israelite Bay
Wind
Southeasterly 20 to 25 knots, reaching up to 30 knots west of Esperance in the late morning and afternoon.
Seas
1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
1st Swell
Southwesterly 3 to 4 metres, decreasing to 2.5 to 3 metres by early evening.
Weather
Cloudy. 80% chance of rain. The chance of a thunderstorm in the afternoon.
Weather Situation
A slow-moving cold front over southwest WA will weaken and combine with a trough over the Goldfields today, as a ridge begins to extend south of the state. The ridge will slowly move east on Friday and Saturday with a weak west coast trough developing from Saturday afternoon.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cornwall Island Temperature Statistics View More

August Temperature

Esperance (62km)

  • Lowest 9 August, 2026

    6.4 °C

  • Average August

    13.3 °C

  • Highest 22 August, 2026

    25.6 °C

Climate (2021–2026)

Esperance (62km)

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  • Average Low 2021–2026

    12.6 °C

  • Average 2021–2026

    16.6 °C

  • Average High 2021–2026

    22.3 °C
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