Cape Willoughby Weather Forecast

    • 15
    • 24

    Cloudy

    • 15
    • 20

    Shower

    • 14
    • 18

    Rain

    • 11
    • 15

    Shower

    • 11
    • 15

    Cloudy

    • 12
    • 16

    Partly cloudy

    • 11
    • 18

    Partly cloudy

Today 29 Sep Kangaroo Island

Partly cloudy. Slight chance of a shower in the west this evening. Near zero chance of rain elsewhere. Winds northerly 25 to 35 km/h turning west to northwesterly 15 to 25 km/h in the early afternoon then becoming light in the evening. Daytime maximum temperatures in the mid to high 20s.

South Central Coastal Waters

Wind
Northerly 15 to 25 knots, reaching up to 30 knots in the late morning. Winds turning west to northwesterly 15 to 20 knots in the early afternoon.
Seas
1.5 to 2 metres, decreasing to 1 to 1.5 metres by early evening.
1st Swell
Southwesterly 2 metres.
Weather
Cloudy.
Weather Situation
A high pressure system centred to the northeast of Tasmania extends a ridge over the southeast of the continent. This high and ridge will move eastwards over the Tasman Sea in coming days. A series of slow moving troughs will enter the west of the state today then move across the state on Wednesday and Thursday as a couple of cold fronts will move across waters to the south. A new high pressure system will become established south of the Bight during Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Willoughby Temperature Statistics View More

September Temperature

Cape Willoughby (0km)

  • Lowest 2 September, 2026

    9.9 °C

  • Average September

    13.9 °C

  • Highest 24 September, 2026

    24.8 °C

Climate (2021–2026)

Cape Willoughby (0km)

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  • Average Low 2021–2026

    13.4 °C

  • Average 2021–2026

    15.4 °C

  • Average High 2021–2026

    18.5 °C
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