Johnstons Bay Weather Forecast

    • 17
    • 25

    Partly cloudy

    • 18
    • 27

    Partly cloudy

    • 19
    • 30

    Shower or two. Storm

    • 19
    • 28

    Shower or two

    • 19
    • 27

    Partly cloudy

    • 19
    • 29

    Cloud clearing

    • 20
    • 32

    Sunny

Today 2 Jan Sydney

Partly cloudy. Light winds becoming easterly 15 to 25 km/h in the middle of the day then becoming light in the late evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
South to southeasterly 10 to 15 knots becoming east to southeasterly about 10 knots in the early morning.
Seas
Below 0.5 metres.
Weather
Partly cloudy.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Johnstons Bay Temperature Statistics View More

January Temperature

Sydney (Observatory Hill) (1km)

  • Lowest 1 January, 2026

    17.9 °C

  • Average January

    18.7 °C

  • Highest

    –

Climate (2021–Present)

Sydney (Observatory Hill) (1km)

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  • Average Low 2021–2025

    14.7 °C

  • Average 2021–2025

    18.3 °C

  • Average High 2021–2025

    23.5 °C
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