Nepean Bay Weather Forecast

    • 6
    • 11

    Shower

    • 7
    • 13

    Shower

    • 5
    • 14

    Cloudy

    • 5
    • 14

    Partly cloudy

    • 5
    • 13

    Shower

    • 5
    • 13

    Shower

    • 6
    • 13

    Shower

Today 25 Jun Central

Cloudy. Very high chance of showers, becoming less likely in the evening. Snow possible above 600 metres. The chance of a thunderstorm in the morning and afternoon. Possible small hail. Winds westerly 20 to 30 km/h turning southwesterly 25 to 35 km/h in the middle of the day. Daytime maximum temperatures between 6 and 11.

Port Phillip Local Waters

Wind
Westerly 20 to 30 knots tending southwesterly in the afternoon then decreasing to 20 to 25 knots in the evening.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres in the north.
Weather
Cloudy. 95% chance of showers. The chance of a thunderstorm in the late morning and afternoon. Possible small hail. Squalls to 45 knots possible.
Weather Situation
Vigorous westerly flow will turn southwesterly as a cold front crosses Bass Strait this morning. Winds will moderate during Thursday as a high pressure system near the Bight approaches western Victoria and extends a ridge across the State. The high will remain to the west on Friday, with a weak cold front forecast to approach from the southwest on Saturday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Nepean Bay Temperature Statistics View More

June Temperature

Avalon Airport (35km)

  • Lowest 22 June, 2025

    -1.1 °C

  • Average June

    9.5 °C

  • Highest 23 June, 2025

    21 °C

Climate (2020–Present)

Avalon Airport (35km)

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  • Average Low 2020–2025

    9.7 °C

  • Average 2020–2025

    14.5 °C

  • Average High 2020–2025

    20.4 °C
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