Carnarvon Harbour Weather Forecast
- 13
- 23
Showers
- 14
- 24
Showers easing
- 13
- 23
Possible shower
- 13
- 22
Mostly sunny
- 11
- 23
Sunny
- 11
- 22
Sunny
- 12
- 22
Sunny
Today 20 Aug Carnarvon
Cloudy. High chance of showers. Light winds.
Gascoyne Coastal Waters
Cape Cuvier to Kalbarri- Wind
- Southeasterly 10 to 15 knots, reaching up to 25 knots south of Denham in the evening.
- Seas
- 1 to 1.5 metres, increasing to 1 to 2 metres offshore.
- 1st Swell
- Southwesterly 2 to 3 metres inshore, increasing to 3 to 4 metres offshore south of Denham.
- Weather
- Cloudy. 50% chance of showers north of Denham, near zero chance elsewhere.
- Weather Situation
- A weak ridge lies across southern WA. A trough will deepen down the west coast from late Friday, moving inland later on Saturday ahead of another weak cold front reaching the lower west coast on Sunday. A new ridge will begin to develop across the west coast later Sunday and into Monday behind the trough and as the weak cold front moves east along the south coast.
Carnarvon Harbour Temperature Statistics View More
August Temperature
Carnarvon Airport (2km)
Lowest 12 August, 2026
6 °CAverage August
17.4 °CHighest 2 August, 2026
30.4 °C
Climate (2021–2026)
Carnarvon Airport (2km)
Average Low 2021–2026
17.4 °CAverage 2021–2026
22.4 °CAverage High 2021–2026
28.7 °C