Mosman Bay Weather Forecast

    • 17
    • 25

    Showers

    • 17
    • 23

    Rain. Possible late storm

    • 15
    • 24

    Mostly sunny

    • 15
    • 24

    Partly cloudy

    • 16
    • 26

    Possible shower

    • 15
    • 20

    Shower or two

    • 13
    • 21

    Shower or two clearing

Today 2 Oct Sydney

Cloudy. High chance of rain. Light winds.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Northeasterly below 10 knots becoming north to northwesterly in the late evening.
Seas
Below 0.5 metres.
Weather
Cloudy. 70% chance of showers.
Weather Situation
A high pressure system in the Tasman Sea extends a ridge over the Sydney waters. A trough will cross the Sydney waters late on Saturday and linger nearby over the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mosman Bay Temperature Statistics View More

October Temperature

Sydney (Observatory Hill) (3km)

  • Lowest 1 October, 2026

    14.6 °C

  • Average October

    19.7 °C

  • Highest

    –

Climate (2021–2026)

Sydney (Observatory Hill) (3km)

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  • Average Low 2021–2026

    14.9 °C

  • Average 2021–2026

    18.5 °C

  • Average High 2021–2026

    23.6 °C
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