Saint Mary Bay Weather Forecast

    • 15
    • 22

    Windy

    • 14
    • 22

    Windy

    • 14
    • 23

    Sunny

    • 15
    • 28

    Partly cloudy

    • 15
    • 21

    Partly cloudy

    • 15
    • 21

    Cloudy

    • 16
    • 25

    Partly cloudy

Today 15 Jan West Coast

Mostly clear. Winds southeasterly 25 to 35 km/h.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
Southeasterly 20 to 30 knots.
Seas
2 to 2.5 metres.
1st Swell
Southwesterly 1.5 metres.
Weather
Mostly clear.
Weather Situation
A ridge of high pressure south of SA will persist over the coming days, with the high centre moving to the southeast, to be south of Tasmania on Friday and to the Tasman Sea later over the weekend. The ridge lingers into Saturday. On Sunday a trough will begin to move in from the west, reaching central districts by the evening and into the northeast early next week.
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  • Temperature Forecast Bureau of Meteorology

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Saint Mary Bay Temperature Statistics View More

January Temperature

Streaky Bay (45km)

  • Lowest 2 January, 2026

    8.8 °C
  • Average January

    21.1 °C
  • Highest 7 January, 2026

    44.1 °C

Climate (2021–Present)

Streaky Bay (45km)

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  • Average Low 2021–2026

    12 °C
  • Average 2021–2026

    16.4 °C
  • Average High 2021–2026

    23.5 °C
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