Success Harbour Entrance Weather Forecast
- 14
- 21
Showers. Possible afternoon storm
- 14
- 19
Showers
- 14
- 19
Showers easing
- 11
- 18
Showers
- 9
- 18
Possible shower
- 10
- 18
Possible shower
- 8
- 18
Mostly sunny
Today 16 Jul Perth
Cloudy. Very high chance of showers, most likely in the afternoon and evening. The chance of a thunderstorm in the afternoon and early evening, possibly severe with heavy rain which may lead to flash flooding. Winds northerly 20 to 30 km/h tending northwesterly in the early afternoon then becoming light in the late evening.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- North to northwesterly 15 to 25 knots, reaching up to 30 knots in the afternoon. Winds shifting southwesterly 10 to 15 knots in the evening.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2 metres during the morning, then decreasing below 1.5 metres by early evening.
- 1st Swell
- West to southwesterly 1.5 to 2 metres.
- Weather
- Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the morning and afternoon.
- Weather Situation
- A ridge over southern parts of the state will be pushed northwards as a cold front moves over the Perth local waters this afternoon, followed by a second cold front later Friday and into Saturday. A weak ridge will begin to develop north of the local waters over the central west cost on Sunday.
Success Harbour Entrance Temperature Statistics View More
July Temperature
Swanbourne (12km)
Lowest 13 July, 2026
7.2 °CAverage July
13.7 °CHighest 9 July, 2026
21 °C
Climate (2021–2026)
Swanbourne (12km)
Average Low 2021–2026
14.5 °CAverage 2021–2026
18.8 °CAverage High 2021–2026
24.3 °C