Mort Bay Weather Forecast

    • 17
    • 25

    Possible shower

    • 17
    • 25

    Showers. Possible storm

    • 17
    • 22

    Showers

    • 17
    • 23

    Showers easing

    • 16
    • 24

    Shower or two

    • 14
    • 21

    Showers

    • 13
    • 20

    Showers

Today 25 Apr Sydney

Partly cloudy. The chance of morning fog in the west. Medium chance of showers, most likely in the late morning and afternoon. The chance of a thunderstorm from late this morning. Light winds becoming east to northeasterly 15 to 20 km/h in the early afternoon then becoming light in the evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Variable below 10 knots becoming northeasterly 10 to 15 knots in the early afternoon then becoming northerly below 10 knots in the late evening.
Seas
Below 0.5 metres.
Weather
Partly cloudy. 50% chance of showers. The chance of a thunderstorm from late this morning.
Weather Situation
A high pressure system extends a ridge over the southern coastal waters bringing north to northeasterly winds to Sydney Local Waters. Behind the ridge, a trough is forecast to cross the coastal waters and may form a low offshore on Sunday, driving a fresh and gusty south to southwesterly change on Sunday. The low is expected to move further east on Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mort Bay Temperature Statistics View More

April Temperature

Sydney (Observatory Hill) (1km)

  • Lowest 18 April, 2025

    14.3 °C

  • Average April

    20.3 °C

  • Highest 20 April, 2025

    29.6 °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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