Saint Mary Bay Weather Forecast

    • 18
    • 27

    Partly cloudy

    • 16
    • 21

    Partly cloudy

    • 16
    • 19

    Shower

    • 15
    • 24

    Shower

    • 16
    • 20

    Shower

    • 15
    • 18

    Cloudy

    • 14
    • 16

    Cloudy

Today 5 Apr West Coast

Partly cloudy. Light winds.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
North to northeasterly below 10 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Partly cloudy.
Weather Situation
A trough over western WA linking to a weak front south of the Bight will continue to move over western and southern parts of SA later Sunday into Monday. A high pressure will move south of the Bight early in the week, before another trough and upper level system develops in the west. and moves across mid to late in the week, with a vigorous cold front to follow later Thursday and into Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Saint Mary Bay Temperature Statistics View More

April Temperature

Streaky Bay (45km)

  • Lowest 2 April, 2026

    8.5 °C
  • Average April

    15 °C
  • Highest 4 April, 2026

    29 °C

Climate (2021–Present)

Streaky Bay (45km)

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  • Average Low 2021–2026

    11.9 °C
  • Average 2021–2026

    16.5 °C
  • Average High 2021–2026

    23.6 °C
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