Observatory Island Weather Forecast

    • 7
    • 15

    Showers easing. Windy

    • 8
    • 17

    Showers increasing

    • 8
    • 16

    Shower or two clearing

    • 7
    • 19

    Partly cloudy

    • 9
    • 20

    Partly cloudy

    • 9
    • 21

    Shower or two

    • 11
    • 17

    Showers

Today 4 Aug Esperance

Cloudy. Very high chance of showers, most likely in the morning and early afternoon. The chance of a thunderstorm or small hail in the early morning. Damaging winds possible in the early morning. Winds westerly 25 to 40 km/h tending northwesterly 15 to 25 km/h in the evening.

Esperance Coastal Waters

Bremer Bay to Israelite Bay
Wind
West to southwesterly 20 to 30 knots, reaching up to 35 knots east of Hopetoun early in the morning. Winds becoming westerly 20 to 25 knots in the middle of the day then increasing to 20 to 30 knots in the late evening.
Seas
2 to 3 metres, decreasing to 1.5 to 2 metres around midday.
1st Swell
Southwesterly 4 to 6 metres.
Weather
Cloudy. 90% chance of showers. The chance of a thunderstorm east of Hopetoun in the early morning. Possible small hail in the morning.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Observatory Island Temperature Statistics View More

August Temperature

Esperance (13km)

  • Lowest 1 August, 2025

    6.7 °C

  • Average August

    12.9 °C

  • Highest 2 August, 2025

    23.2 °C

Climate (2020–Present)

Esperance (13km)

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  • Average Low 2020–2025

    12.6 °C

  • Average 2020–2025

    16.6 °C

  • Average High 2020–2025

    22.2 °C
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