Chatham Island Weather Forecast

    • 19
    • 20

    Partly cloudy

    • 20
    • 20

    Cloudy

    • 19
    • 19

    Shower or two

    • 18
    • 18

    Cloudy

    • 18
    • 19

    Cloudy

    • 18
    • 19

    Cloudy

    • 18
    • 20

    Mostly sunny

Today 20 Mar South West

Partly cloudy. Winds east to southeasterly 15 to 20 km/h tending southeast to southwesterly 15 to 25 km/h in the late afternoon then becoming southeasterly 15 to 20 km/h in the evening. Daytime maximum temperatures 26 to 34.

Leeuwin Coastal Waters

Cape Naturaliste to Walpole
Wind
Southeasterly 15 to 20 knots, reaching up to 25 knots offshore north of Cape Leeuwin early in the morning.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Partly cloudy.
Weather Situation
A ridge over central and southeastern parts of the state will slowly weaken over the weekend. A west coast trough will move inland later Saturday, ahead of a weak cold front brushing past the south coast on Sunday. A new ridge will arrive on the southwest coast on Sunday, building east along the south coast on Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Chatham Island Temperature Statistics View More

March Temperature

North Walpole (22km)

  • Lowest 5 March, 2026

    10.2 °C

  • Average March

    18.2 °C

  • Highest 18 March, 2026

    34.3 °C

Climate (2021–Present)

North Walpole (22km)

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  • Average Low 2021–2026

    11.9 °C

  • Average 2021–2026

    15.4 °C

  • Average High 2021–2026

    20.6 °C
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