North Island Weather Forecast

    • 14
    • 15

    Partly cloudy

    • 14
    • 15

    Rain

    • 15
    • 15

    Shower

    • 14
    • 15

    Partly cloudy

    • 14
    • 16

    Sunny

    • 15
    • 15

    Shower

    • 14
    • 15

    Partly cloudy

Today 23 Aug Yorke Peninsula

The chance of morning fog. Mostly sunny afternoon. Light winds becoming northerly 15 to 25 km/h in the morning then tending northeasterly 15 to 20 km/h in the late afternoon. Daytime maximum temperatures between 16 and 19.

Central Coastal Waters

Wind
North to northeasterly about 10 knots increasing to 10 to 15 knots in the early morning.
Seas
Below 1 metre.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system centred over the eastern states continue to drift slowly east as a low pressure system and associated trough move into the far western SA later today and then moves across the state on Monday and out over the eastern states by later Tuesday. Another high moves into the west later Tuesday and over SA on Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

North Island Temperature Statistics View More

August Temperature

Neptune Island (40km)

  • Lowest 4 August, 2026

    10.4 °C

  • Average August

    13.9 °C

  • Highest 7 August, 2026

    17.4 °C

Climate (2021–2026)

Neptune Island (40km)

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  • Average Low 2021–2026

    14.3 °C

  • Average 2021–2026

    16.2 °C

  • Average High 2021–2026

    18.8 °C
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