Harriet River Entrance Weather Forecast

    • 9
    • 19

    Mostly clear

    • 10
    • 19

    Becoming cloudy

    • 12
    • 20

    Possible shower

    • 11
    • 17

    Showers easing

    • 11
    • 17

    Showers

    • 10
    • 17

    Shower or two

    • 11
    • 18

    Possible shower

Today 21 May Kangaroo Island

Mostly clear. Light winds.

South Central Coastal Waters

Wind
Variable about 10 knots becoming north to northeasterly 10 to 15 knots in the evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Mostly clear.
Weather Situation
A high pressure system over southeastern SA will remain dominant as it slowly moves east and into the Tasman Sea on Friday. A cold front move across across South Australia over the weekend. A low pressure system develops and lingers near the southeast early next week whilst a ridge high pressure builds over the west.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Harriet River Entrance Temperature Statistics View More

May Temperature

Kingscote Airport (43km)

  • Lowest 14 May, 2026

    5.5 °C

  • Average May

    14.4 °C

  • Highest 1 May, 2026

    27.1 °C

Climate (2021–Present)

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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