Sullivan Bay Weather Forecast

    • 12
    • 20

    Windy

    • 7
    • 15

    Shower

    • 9
    • 17

    Shower

    • 8
    • 13

    Shower

    • 8
    • 15

    Shower

    • 9
    • 16

    Shower

    • 9
    • 17

    Shower

Today 19 Sep Mornington Peninsula

Partly cloudy. Very high chance of showers, most likely in the evening. The chance of a thunderstorm in the late afternoon and evening in the east. Damaging winds possible. Winds northerly 25 to 40 km/h increasing to 40 to 60 km/h in the morning then turning west to northwesterly 25 to 40 km/h in the early afternoon.

Port Phillip Local Waters

Wind
Northerly 20 to 30 knots, reaching up to 35 knots in the late morning. Winds turning west to northwesterly 15 to 25 knots during the afternoon, increasing to 25 to 30 knots in the late evening.
Seas
1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the afternoon.
Weather
Partly cloudy. 80% chance of showers.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sullivan Bay Temperature Statistics View More

September Temperature

Cerberus (36km)

  • Lowest 5 September, 2025

    2.2 °C

  • Average September

    12.5 °C

  • Highest 6 September, 2025

    21.4 °C

Climate (2020–Present)

Cerberus (36km)

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

  • Average Low 2020–2025

    10.2 °C

  • Average 2020–2025

    14.5 °C

  • Average High 2020–2025

    19.6 °C
Get WillyWeather+ to remove ads