Saint Peter Island Weather Forecast

    • 15
    • 16

    Partly cloudy

    • 13
    • 16

    Sunny

    • 15
    • 15

    Partly cloudy

    • 14
    • 15

    Partly cloudy

    • 13
    • 17

    Possible shower

    • 15
    • 15

    Shower or two

    • 14
    • 15

    Possible shower

Today 19 Aug West Coast

Partly cloudy. Slight chance of a shower south of Streaky Bay in the late morning. Near zero chance of rain elsewhere. Winds northwest to southwesterly 15 to 25 km/h becoming light in the late afternoon. Daytime maximum temperatures between 18 and 21.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
Westerly 10 to 15 knots becoming variable about 10 knots in the evening.
Seas
Around 1 metre.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Partly cloudy.
Weather Situation
A cold front moving through the Bight will clip the south on Wednesday, before clearing to the east late. An upper level feature lingers over the pastoral districts on Thursday, clearing to the northeast on Friday. A high pressure ridge is expected to approach South Australia on Thursday from the west and continue to move east over the state on the weekend. Weak troughs clip the southeast in a broad westerly flow on Thursday and Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Saint Peter Island Temperature Statistics View More

August Temperature

Ceduna Airport (19km)

  • Lowest 4 August, 2026

    -1.6 °C

  • Average August

    11.7 °C

  • Highest 8 August, 2026

    21.1 °C

Climate (2021–2026)

Ceduna Airport (19km)

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  • Average Low 2021–2026

    10.9 °C

  • Average 2021–2026

    16.8 °C

  • Average High 2021–2026

    23.7 °C
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