Cape Portland Weather Forecast

    • 12
    • 24

    Fog

    • 13
    • 20

    Rain

    • 10
    • 19

    Rain

    • 6
    • 16

    Shower

    • 4
    • 16

    Windy

    • 7
    • 17

    Windy

    • 8
    • 18

    Windy

Today 23 Oct North East

The chance of fog in the early morning. Mostly sunny day. Medium chance of showers in the evening. Winds north to northwesterly 25 to 35 km/h tending west to northwesterly 15 to 25 km/h during the afternoon and evening. Overnight temperatures falling to around 12 with daytime temperatures reaching 21 to 27.

Banks Strait and Franklin

Wind
Northerly 15 to 20 knots tending west to northwesterly 10 to 15 knots in the middle of the day then tending northerly in the early afternoon.
Seas
1 to 1.5 metres, decreasing below 1 metre during the morning.
1st Swell
Northeasterly around 1 metre, increasing to 1.5 to 2 metres during the morning, then decreasing to 1 to 1.5 metres around midday.
Weather
Sunny. The chance of morning fog inshore with reduced visibility.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Portland Temperature Statistics View More

October Temperature

Swan Island (12 km)

  • Lowest 7 October, 2026

    6.2 °C

  • Average October

    14.1 °C

  • Highest 20 October, 2026

    23.5 °C

Climate (2021–2026)

Swan Island (12 km)

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  • Average Low 2021–2026

    12.1 °C

  • Average 2021–2026

    14.5 °C

  • Average High 2021–2026

    17.6 °C
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