Brentwood Weather Forecast

    • 11
    • 24

    Cloud clearing

    • 11
    • 30

    Sunny

    • 15
    • 34

    Sunny

    • 18
    • 39

    Sunny

    • 20
    • 33

    Cloud clearing

    • 14
    • 30

    Mostly sunny

    • 15
    • 29

    Partly cloudy

Today 15 Dec Yorke Peninsula

Cloud clearing. Winds southerly 20 to 30 km/h turning southeasterly early in the morning then increasing to 25 to 40 km/h in the middle of the day. Overnight temperatures falling to around 11 with daytime temperatures reaching the low to mid 20s.

Spencer Gulf Coastal Waters

Wind
South to southeasterly 15 to 20 knots, reaching up to 30 knots north of Cowell to Wallaroo in the evening.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres by early evening.
1st Swell
South to southwesterly around 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo.
Weather
Cloud clearing.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Brentwood Temperature Statistics View More

December Temperature

Minlaton Airport (12km)

  • Lowest 7 December, 2025

    4.6 °C

  • Average December

    19.5 °C

  • Highest 12 December, 2025

    36.1 °C

Climate (2020–Present)

Minlaton Airport (12km)

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  • Average Low 2020–2025

    10.9 °C

  • Average 2020–2025

    16.1 °C

  • Average High 2020–2025

    22.4 °C
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