Observatory Island Weather Forecast

    • 10
    • 19

    Shower or two

    • 10
    • 18

    Partly cloudy

    • 8
    • 23

    Mostly sunny

    • 11
    • 25

    Shower or two

    • 13
    • 19

    Showers

    • 11
    • 17

    Shower or two

    • 11
    • 18

    Cloudy

Today 23 Aug Esperance

Cloudy. Medium chance of showers. Winds southwesterly 15 to 20 km/h.

Esperance Coastal Waters

Bremer Bay to Israelite Bay
Wind
Southwesterly 10 to 15 knots, reaching up to 20 knots east of Esperance in the evening.
Seas
Around 1 metre.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Partly cloudy.
Weather Situation
A trough about the Eucla coast is moving east and will move across the border tonight as a weak front brushes past the southwest corner of the state. In its wake, a ridge will extend across the southern half of the state from Sunday night into Monday. The ridge will move east on Tuesday, ahead of the next cold front approaching from the west. The cold front will move east across southern WA on Wednesday and Thursday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Observatory Island Temperature Statistics View More

August Temperature

Esperance (13km)

  • Lowest 9 August, 2026

    6.4 °C

  • Average August

    13.1 °C

  • Highest 22 August, 2026

    25.6 °C

Climate (2021–2026)

Esperance (13km)

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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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