Cape Jervis Boat Ramp Weather Forecast

    • 18
    • 23

    Cloudy

    • 14
    • 21

    Shower

    • 16
    • 22

    Shower

    • 14
    • 20

    Cloudy

    • 15
    • 20

    Cloudy

    • 15
    • 20

    Cloudy

    • 15
    • 20

    Cloudy

Today 19 Dec Mount Lofty Ranges

Partly cloudy. The chance of a thunderstorm in the afternoon and evening. Winds northwest to southwesterly 20 to 30 km/h tending south to southwesterly in the middle of the day. Daytime maximum temperatures 24 to 33.

Investigator Strait Coastal Waters

Wind
Southerly 15 to 20 knots.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southerly below 1 metre.
Weather
Partly cloudy.
Weather Situation
A trough of broad low pressure lies in the west. This area of low pressure is expected to slowly extend across the state from the west during today and tomorrow, before contracting to the far northeast on Sunday evening. Behind this, a ridge of high pressure moves over the west and south during Sunday, persisting throughout SA by late Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Jervis Boat Ramp Temperature Statistics View More

December Temperature

Parawa West (Second Valley Forest) (17km)

  • Lowest 7 December, 2025

    7.1 °C

  • Average December

    16.3 °C

  • Highest 12 December, 2025

    32.9 °C

Climate (2020–Present)

Parawa West (Second Valley Forest) (17km)

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  • Average Low 2020–2025

    10.4 °C

  • Average 2020–2025

    13.4 °C

  • Average High 2020–2025

    17.6 °C
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