Guillotine Beach Weather Forecast

    • 14
    • 26

    Partly cloudy

    • 11
    • 29

    Sunny

    • 15
    • 35

    Sunny

    • 22
    • 36

    Sunny

    • 17
    • 25

    Possible shower

    • 13
    • 24

    Cloudy

    • 12
    • 25

    Partly cloudy

Today 22 Dec South West

Partly cloudy. Slight chance of a shower near the south coast in the morning. Near zero chance of rain elsewhere. Winds south to southeasterly 20 to 30 km/h. Daytime maximum temperatures 22 to 29.

Leeuwin Coastal Waters

Cape Naturaliste to Walpole
Wind
Southerly 10 to 15 knots turning southeasterly 15 to 20 knots during the morning and early afternoon. Winds reaching up to 30 knots offshore north of Cape Leeuwin in the evening.
Seas
Around 1 metre, increasing to 1 to 2 metres during the afternoon.
1st Swell
Southwesterly 2 to 3 metres inshore, increasing to 3 to 4 metres offshore east of Cape Leeuwin around midday.
Weather
Cloudy.
Weather Situation
A ridge persists across much of southern WA. A weak front will brush the south coast today, followed by the west coast trough returning by Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Guillotine Beach Temperature Statistics View More

December Temperature

Cape Naturaliste (32km)

  • Lowest 21 December, 2025

    10 °C

  • Average December

    19.8 °C

  • Highest 14 December, 2025

    36.4 °C

Climate (2020–Present)

Cape Naturaliste (32km)

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  • Average Low 2020–2025

    13.3 °C

  • Average 2020–2025

    17.3 °C

  • Average High 2020–2025

    22.7 °C
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