Mortana Weather Forecast

    • 11
    • 17

    Shower

    • 4
    • 18

    Partly cloudy

    • 7
    • 22

    Sunny

    • 10
    • 19

    Shower

    • 9
    • 22

    Partly cloudy

    • 9
    • 22

    Partly cloudy

    • 9
    • 23

    Sunny

Today 25 Aug West Coast

Partly cloudy. Medium chance of showers east of Ceduna, slight chance elsewhere. Winds southwesterly 20 to 30 km/h tending south to southwesterly 15 to 20 km/h in the late afternoon then becoming light in the evening. Overnight temperatures falling to between 6 and 10 with daytime temperatures reaching around 17.

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Mortana Temperature Statistics View More

August Temperature

Streaky Bay (29km)

  • Lowest 10 August, 2026

    1.5 °C

  • Average August

    11.9 °C

  • Highest 18 August, 2026

    21.5 °C

Climate (2021–2026)

Streaky Bay (29km)

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  • Average Low 2021–2026

    11.8 °C

  • Average 2021–2026

    16.4 °C

  • Average High 2021–2026

    23.6 °C
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