Middle Spit Weather Forecast

    • 19
    • 40

    Windy

    • 16
    • 26

    Windy

    • 11
    • 25

    Windy

    • 11
    • 29

    Windy

    • 12
    • 34

    Sunny

    • 16
    • 30

    Cloudy

    • 14
    • 29

    Partly cloudy

Today 29 Dec Mid North

Sunny. Winds northeasterly 15 to 25 km/h shifting southerly 25 to 35 km/h in the late afternoon. Daytime maximum temperatures around 40.

Gulf St Vincent Coastal Waters

Wind
Variable about 10 knots becoming southerly 15 to 25 knots in the early afternoon. Winds reaching up to 30 knots in the evening.
Seas
Around 1 metre, increasing to 1.5 to 2 metres by early evening.
1st Swell
South to southwesterly below 1 metre.
Weather
Sunny.
Weather Situation
A trough lies over western and central parts of SA and will slowly move eastwards today and Tuesday. A ridge of high pressure will begin to move south of the Bight on Tuesday, with the trough expected to move into the northeast on Wednesday and linger there for the remainder of the week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Middle Spit Temperature Statistics View More

December Temperature

Roseworthy (44km)

  • Lowest 7 December, 2025

    4.4 °C

  • Average December

    21.1 °C

  • Highest 18 December, 2025

    42.6 °C

Climate (2020–Present)

Roseworthy (44km)

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  • Average Low 2020–2025

    9.7 °C

  • Average 2020–2025

    16.2 °C

  • Average High 2020–2025

    23.6 °C
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