Round Island Weather Forecast

    • 6
    • 14

    Showers. Windy

    • 9
    • 17

    Showers easing. Windy

    • 11
    • 17

    Shower or two

    • 11
    • 17

    Cloudy

    • 8
    • 18

    Mostly sunny

    • 9
    • 20

    Cloud clearing

    • 11
    • 21

    Mostly sunny

Today 7 May Central

Cloudy. Very high chance of showers in the east, high chance elsewhere. Snow falling above 600 metres. The chance of a thunderstorm in the southeast in the morning. Possible small hail in the morning. Damaging winds possible near the coast. Winds west to southwesterly 25 to 35 km/h. Overnight temperatures falling to between 2 and 6 with daytime temperatures reaching between 9 and 14.

Western Port Local Waters

Wind
Southwesterly 20 to 30 knots, reaching up to 35 knots early in the morning. Winds turning westerly during the afternoon and evening. Squalls to 50 knots possible early this morning.
Seas
Around 1 metre, increasing to 1.5 to 2.5 metres west of Sandy Point.
Weather
Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the morning. Possible small hail in the morning.
Weather Situation
A cold front crossing Bass Strait will move into the Tasman sea overnight with a cold southwesterly flow in its wake. A large high pressure system drifts south of the Bight behind the front, moving slowly eastward over the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Round Island Temperature Statistics View More

May Temperature

Cerberus (18km)

  • Lowest 2 May, 2026

    10.5 °C

  • Average May

    15.9 °C

  • Highest 1 May, 2026

    27.8 °C

Climate (2021–Present)

Cerberus (18km)

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

  • Average Low 2021–2026

    10.2 °C

  • Average 2021–2026

    14.5 °C

  • Average High 2021–2026

    19.6 °C
Get WillyWeather+ to remove ads