Johnstons Bay Weather Forecast

    • 9
    • 18

    Partly cloudy

    • 7
    • 19

    Sunny

    • 8
    • 20

    Sunny

    • 11
    • 20

    Partly cloudy

    • 9
    • 22

    Mostly sunny

    • 10
    • 20

    Sunny

    • 11
    • 24

    Sunny

Today 30 Aug Sydney

Partly cloudy. Slight chance of a shower along the coastal fringe, near zero chance elsewhere. Winds west to northwesterly 20 to 30 km/h turning southwesterly 25 to 40 km/h in the morning then decreasing to 20 to 30 km/h in the early afternoon.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Northwesterly 15 to 20 knots turning southwesterly 15 to 25 knots in the middle of the day.
Seas
Below 0.5 metres.
Weather
Partly cloudy.
Weather Situation
A strong cold front over the east of the state will move offshore today, and will be followed by a high pressure ridge that will persist through to mid next week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Johnstons Bay Temperature Statistics View More

August Temperature

Sydney (Observatory Hill) (1km)

  • Lowest 18 August, 2025

    6.6 °C

  • Average August

    13.7 °C

  • Highest 5 August, 2025

    22.9 °C

Climate (2020–Present)

Sydney (Observatory Hill) (1km)

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  • Average Low 2020–2025

    14.7 °C

  • Average 2020–2025

    18.2 °C

  • Average High 2020–2025

    23.4 °C
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