Portland Bay Weather Forecast

    • 5
    • 13

    Shower or two

    • 6
    • 13

    Showers

    • 4
    • 14

    Possible shower

    • 3
    • 14

    Becoming cloudy

    • 5
    • 15

    Shower or two

    • 5
    • 13

    Showers

    • 5
    • 13

    Possible shower

Today 29 Jul South West

Cloudy. Very high chance of showers near the Otways, medium chance elsewhere. Snow falling above 1100 metres. Possible small hail in the south during the morning and afternoon. Winds southwesterly 25 to 35 km/h decreasing to 15 to 25 km/h in the late afternoon then becoming west to southwesterly and light in the evening. Daytime maximum temperatures around 12.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Southwesterly 20 to 30 knots, reaching up to 35 knots in the east early in the morning. Winds decreasing to 15 to 25 knots in the middle of the day.
Seas
2 to 3 metres, decreasing to 1 to 2 metres during the afternoon.
1st Swell
Southwesterly 5 to 7 metres, decreasing to 4 to 5 metres during the afternoon.
Weather
Cloudy. 80% chance of showers, with possible small hail this morning.
Weather Situation
A cold southwesterly airstream moves over Victoria today following a cold front passing over the east of the state this morning. A trough will move across Bass Strait in the wake of the front then a high pressure ridge will move across from the west on Thursday and Friday. The ridge will move eastwards on Saturday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Bay Temperature Statistics View More

July Temperature

Portland Airport (25km)

  • Lowest 8 July, 2026

    0.5 °C

  • Average July

    10.2 °C

  • Highest 1 July, 2026

    17.1 °C

Climate (2021–2026)

Portland Airport (25km)

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  • Average Low 2021–2026

    9.7 °C

  • Average 2021–2026

    13.5 °C

  • Average High 2021–2026

    18.2 °C
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