Chatham Island Weather Forecast

    • 15
    • 17

    Showers easing

    • 15
    • 16

    Possible shower

    • 15
    • 16

    Partly cloudy

    • 13
    • 18

    Sunny

    • 14
    • 19

    Sunny

    • 16
    • 20

    Mostly sunny

    • 17
    • 19

    Shower or two

Today 19 Sep South West

Cloudy. The chance of morning fog in the north. High chance of showers in the south, medium chance elsewhere. Winds westerly 15 to 25 km/h tending southwesterly before dawn then becoming light in the early afternoon. Overnight temperatures falling to between 7 and 11 with daytime temperatures reaching around 18.

Leeuwin Coastal Waters

Cape Naturaliste to Walpole
Wind
Southwesterly 15 to 20 knots, reaching up to 25 knots east of Cape Leeuwin early in the morning. Winds decreasing to about 10 knots in the late afternoon.
Seas
1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the morning, then decreasing below 1 metre around midday.
1st Swell
Southwesterly 4 to 5 metres.
Weather
Cloudy. 60% chance of showers.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Chatham Island Temperature Statistics View More

September Temperature

North Walpole (22km)

  • Lowest 8 September, 2025

    4.8 °C

  • Average September

    11.8 °C

  • Highest 12 September, 2025

    22.6 °C

Climate (2020–Present)

North Walpole (22km)

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  • Average Low 2020–2025

    11.9 °C

  • Average 2020–2025

    15.4 °C

  • Average High 2020–2025

    20.6 °C
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