Portland Harbour Weather Forecast
- 3
- 15
Morning fog then mostly sunny
- 5
- 15
Mostly sunny
- 8
- 14
Showers
- 7
- 15
Showers
- 9
- 15
Showers
- 8
- 14
Showers
- 9
- 15
Shower or two
Today 9 Jul South West
Areas of frost and patchy fog in the morning. Mostly sunny afternoon. Light winds. Daytime maximum temperatures around 14.
West Victoria Coastal Waters
SA-Vic Border to Cape Otway- Wind
- North to northeasterly about 10 knots.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 2.5 to 3 metres.
- Weather
- Partly cloudy.
Portland Harbour Temperature Statistics View More
July Temperature
Cape Nelson Lighthouse (11km)
Lowest 6 July, 2026
5.4 °CAverage July
11 °CHighest 1 July, 2026
17.4 °C
Climate (2021–2026)
Cape Nelson Lighthouse (11km)
Average Low 2021–2026
11.8 °CAverage 2021–2026
14.4 °CAverage High 2021–2026
17.6 °C