Castletown Weather Forecast

    • 17
    • 35

    Mostly sunny

    • 22
    • 39

    Partly cloudy

    • 19
    • 26

    Partly cloudy

    • 18
    • 23

    Shower or two

    • 16
    • 25

    Partly cloudy

    • 16
    • 24

    Shower or two. Becoming windy

    • 15
    • 21

    Partly cloudy

Today 15 Dec Esperance

Mostly sunny. Winds east to northeasterly 20 to 30 km/h.

Esperance Coastal Waters

Bremer Bay to Israelite Bay
Wind
East to northeasterly 15 to 25 knots. Winds east of Esperance reaching up to 30 knots in the afternoon and evening.
Seas
1 to 2 metres, increasing to 1.5 to 2 metres during the afternoon.
1st Swell
Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres east of Esperance.
Weather
The chance of a thunderstorm west of Hopetoun in the morning. Mostly sunny afternoon.
Weather Situation
A trough is deepening offshore from the west coast associated with a low pressure system, as a high pressure system strengthens in the Bight. The high will move east throughout today, allowing the trough to return to the west coast. The trough will move inland ahead of a cold front brushing the south coast by Tuesday. A new ridge will build across the southwest coast from Wednesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Castletown Temperature Statistics View More

December Temperature

Esperance (1km)

  • Lowest 14 December, 2025

    11.2 °C

  • Average December

    18.9 °C

  • Highest 2 December, 2025

    35.9 °C

Climate (2020–Present)

Esperance (1km)

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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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