Rockingham Weather Forecast
- 14
- 18
Partly cloudy
- 8
- 16
Mostly sunny
- 12
- 18
Showers increasing. Windy
- 8
- 15
Showers easing
- 9
- 16
Showers
- 12
- 17
Showers
- 9
- 15
Shower or two
Today 18 Jul Perth
Partly cloudy. Winds south to southwesterly 15 to 20 km/h becoming light in the evening.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- Southerly 15 to 20 knots turning southeasterly 10 to 15 knots in the late evening.
- Seas
- 1.5 metres, decreasing to 1 metre by early evening.
- 1st Swell
- Southwesterly 3 to 4 metres.
- Weather
- Partly cloudy.
- Caution
- Large and powerful surf conditions during the evening are expected to be hazardous for coastal activities such as swimming, surfing and rock fishing.
- Weather Situation
- A weak cold front will dissipate over eastern parts of the South West Land Division on Friday evening, with a ridge extending over southern parts of the State during Friday night and Saturday. A strong cold front will cross the South West Land Division during Sunday afternoon and evening, continuing east on Monday as a ridge extends across the southern half of WA.
Rockingham Temperature Statistics View More
July Temperature
Garden Island (5km)
Lowest 17 July, 2025
8.5 °CAverage July
14.8 °CHighest 1 July, 2025
21.3 °C
Climate (2020–Present)
Garden Island (5km)
Average Low 2020–2025
15.2 °CAverage 2020–2025
19 °CAverage High 2020–2025
23.4 °C