Mosman Bay Marina Weather Forecast

    • 12
    • 20

    Mostly sunny

    • 12
    • 20

    Shower or two

    • 14
    • 20

    Showers easing

    • 15
    • 22

    Showers

    • 14
    • 23

    Shower or two

    • 13
    • 21

    Shower or two

    • 12
    • 19

    Shower or two

Today 20 May Sydney

Mostly sunny. Slight chance of a shower along the coastal fringe at night. Near zero chance of rain elsewhere. Winds southwesterly 15 to 20 km/h tending southerly 15 to 25 km/h in the early afternoon then becoming light in the evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Southwesterly 10 to 15 knots.
Seas
Below 0.5 metres.
Weather
Mostly sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mosman Bay Marina Temperature Statistics View More

May Temperature

Sydney (Observatory Hill) (3km)

  • Lowest 8 May, 2026

    9.9 °C

  • Average May

    17.7 °C

  • Highest 3 May, 2026

    25.9 °C

Climate (2021–Present)

Sydney (Observatory Hill) (3km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    14.8 °C

  • Average 2021–2026

    18.4 °C

  • Average High 2021–2026

    23.5 °C
Get WillyWeather+ to remove ads