Observatory Island Weather Forecast

    • 15
    • 25

    Sunny

    • 15
    • 28

    Mostly sunny

    • 17
    • 31

    Mostly sunny

    • 21
    • 37

    Partly cloudy

    • 18
    • 25

    Partly cloudy

    • 17
    • 23

    Showers. Becoming windy

    • 14
    • 21

    Shower or two

Today 5 Mar Esperance

Sunny. Winds southerly 25 to 30 km/h tending southeasterly 20 to 30 km/h in the early afternoon then tending easterly 15 to 20 km/h in the evening.

Esperance Coastal Waters

Bremer Bay to Israelite Bay
Wind
South to southeasterly 10 to 15 knots turning easterly below 10 knots in the evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 3 metres.
Weather
Sunny.
Weather Situation
A ridge of high pressure lies slow moving over southern and central parts of the state, while a deep trough extends down near the west coast. The trough is expected to move inland over the weekend, ahead of a weak cold front moving through the Bight.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Observatory Island Temperature Statistics View More

March Temperature

Esperance (13km)

  • Lowest 2 March, 2026

    10.6 °C

  • Average March

    17.7 °C

  • Highest 3 March, 2026

    24.2 °C

Climate (2021–Present)

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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