Jolly Beach Weather Forecast

    • 10
    • 15

    Wind easing. Cloudy

    • 10
    • 16

    Cloud clearing

    • 11
    • 18

    Mostly sunny

    • 11
    • 21

    Mostly sunny

    • 14
    • 21

    Shower or two

    • 13
    • 19

    Possible shower

    • 11
    • 16

    Possible shower

Today 9 Sep Yorke Peninsula

Cloudy. Winds southeasterly 25 to 40 km/h. Daytime maximum temperatures around 16.

Investigator Strait Coastal Waters

Wind
Southerly 20 to 25 knots, reaching up to 30 knots early in the morning. Winds turning southeasterly 15 to 25 knots in the early morning.
Seas
1 to 2 metres.
1st Swell
West to southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres through the Backstairs Passage during the morning.
Weather
Cloudy.
Weather Situation
A high pressure system centred south of WA extends a ridge across the south of SA. The main high centre will move eastwards during the week to be centred to the east of SA on Friday. A trough over the interior of WA will remain stationary for most of the week and may extend into the far west of SA at times. Another low pressure trough will approach from the west on Saturday.
Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Jolly Beach Temperature Statistics View More

September Temperature

Stenhouse Bay (3km)

  • Lowest 8 September, 2026

    8.9 °C
  • Average September

    13.8 °C
  • Highest 4 September, 2026

    20.2 °C

Climate (2021–2026)

Stenhouse Bay (3km)

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  • Average Low 2021–2026

    13.2 °C
  • Average 2021–2026

    16.1 °C
  • Average High 2021–2026

    20.5 °C
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