Nepean Bay Weather Forecast

    • 8
    • 15

    Shower

    • 5
    • 12

    Shower

    • 6
    • 14

    Shower

    • 9
    • 15

    Shower

    • 7
    • 15

    Shower

    • 8
    • 15

    Shower

    • 7
    • 12

    Shower

Today 22 Jul Central

Cloudy. The chance of fog about the ranges in the early morning. Very high chance of showers, most likely in the afternoon and evening. Possible small hail near the coast at night. Winds north to northwesterly 15 to 25 km/h turning westerly 20 to 30 km/h in the early afternoon. Overnight temperatures falling to between 5 and 8 with daytime temperatures reaching between 10 and 16.

Port Phillip Local Waters

Wind
North to northwesterly 15 to 20 knots turning westerly in the middle of the day.
Seas
Around 1 metre.
Weather
Partly cloudy. 90% chance of showers, with possible small hail at night.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Nepean Bay Temperature Statistics View More

July Temperature

Avalon Airport (35km)

  • Lowest 10 July, 2026

    -1 °C

  • Average July

    9.3 °C

  • Highest 1 July, 2026

    17.7 °C

Climate (2021–2026)

Avalon Airport (35km)

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  • Average Low 2021–2026

    9.8 °C

  • Average 2021–2026

    14.6 °C

  • Average High 2021–2026

    20.6 °C
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