The Old Mans Hat Weather Forecast

    • 17
    • 21

    Partly cloudy

    • 16
    • 22

    Partly cloudy

    • 15
    • 23

    Mostly sunny

    • 15
    • 23

    Sunny

    • 15
    • 23

    Possible shower

    • 16
    • 23

    Partly cloudy

    • 15
    • 23

    Possible shower

Today 23 Apr Sydney

Partly cloudy. The chance of smoke haze early this evening, mainly in the west. Slight chance of a shower along the coastal fringe, near zero chance elsewhere. Winds southeasterly 15 to 20 km/h becoming light in the evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Southeasterly 10 to 15 knots decreasing to about 10 knots in the late evening.
Seas
Below 0.5 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system over the southern Tasman Sea extends a ridge towards New South Wales coastal waters, maintaining southeasterly winds over Sydney Waters for the remainder of the week. Winds will tend northeasterly from the weekend as the high drifts further east.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

The Old Mans Hat Temperature Statistics View More

April Temperature

Sydney (Observatory Hill) (9km)

  • Lowest 19 April, 2026

    10.8 °C

  • Average April

    19.2 °C

  • Highest 9 April, 2026

    29 °C

Climate (2021–Present)

Sydney (Observatory Hill) (9km)

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  • Average Low 2021–2026

    14.8 °C

  • Average 2021–2026

    18.4 °C

  • Average High 2021–2026

    23.5 °C
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