Middle Spit Weather Forecast

    • 10
    • 18

    Cloudy

    • 5
    • 21

    Sunny

    • 7
    • 26

    Partly cloudy

    • 12
    • 31

    Partly cloudy

    • 14
    • 30

    Partly cloudy

    • 14
    • 29

    Partly cloudy

    • 15
    • 30

    Partly cloudy

Today 21 Sep Mid North

Cloudy. Slight chance of a shower this morning. Winds south to southwesterly 15 to 20 km/h turning southeasterly 15 to 25 km/h during the morning. Daytime maximum temperatures between 15 and 19.

Gulf St Vincent Coastal Waters

Wind
Southerly 15 to 20 knots turning southeasterly in the late morning and afternoon.
Seas
1 to 1.5 metres, decreasing to 1 metre around midday, increasing to 1 to 1.5 metres north of Port Vincent to Brighton by early evening.
1st Swell
South to southwesterly below 1 metre.
Weather
Cloudy.
Weather Situation
A high pressure system will move eastwards across waters to the south today then over Victoria and the Tasman Sea on Tuesday. This high will extend a ridge westwards over SA ahead of a low pressure trough that is expected to move over the far west of SA during Wednesday. The trough will slip southeastwards over the Bight during Thursday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Middle Spit Temperature Statistics View More

September Temperature

Roseworthy (44km)

  • Lowest 8 September, 2026

    -0.2 °C

  • Average September

    12.1 °C

  • Highest 19 September, 2026

    27.9 °C

Climate (2021–2026)

Roseworthy (44km)

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  • Average Low 2021–2026

    9.9 °C

  • Average 2021–2026

    16.3 °C

  • Average High 2021–2026

    23.7 °C
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