Harriet River Entrance Weather Forecast

    • 12
    • 16

    Showers

    • 10
    • 16

    Shower or two

    • 11
    • 22

    Partly cloudy

    • 16
    • 26

    Late shower or two

    • 13
    • 20

    Showers easing

    • 11
    • 20

    Showers

    • 10
    • 16

    Possible shower

Today 26 Sep Kangaroo Island

Cloudy. Very high chance of showers, becoming less likely in the evening. Winds southeasterly 25 to 35 km/h. Daytime maximum temperatures around 15.

South Central Coastal Waters

Wind
Southeasterly 20 to 25 knots, reaching up to 30 knots in the late evening.
Seas
1.5 metres, increasing to 1.5 to 2 metres during the afternoon.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Cloudy. 95% chance of showers inshore, 60% chance elsewhere.
Weather Situation
A trough over central Australia will weaken and contract into WA as a ridge of high pressure extends across southern SA on Sunday. The high pressure system is expected to drift into the Tasman Sea by Tuesday as the trough in WA begins to re-extend over western SA on Tuesday, pushing into the state on Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Harriet River Entrance Temperature Statistics View More

September Temperature

Kingscote Airport (43km)

  • Lowest 18 September, 2026

    1.8 °C

  • Average September

    12.6 °C

  • Highest 19 September, 2026

    25.5 °C

Climate (2021–2026)

Kingscote Airport (43km)

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  • Average Low 2021–2026

    9.3 °C

  • Average 2021–2026

    14.8 °C

  • Average High 2021–2026

    21.1 °C
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