Rottnest Island Forecast

View the current warnings for Western Australia

Forecast issued at 4:20 pm WST on Tuesday 16 September 2025.

Forecast for the rest of Tuesday

Summary
Partly cloudy.
Chance of any rain: 10%

Perth area

Partly cloudy. Winds west to northwesterly 15 to 20 km/h tending north to northwesterly in the evening.

Sun protection recommended from 9:20 am to 3:00 pm, UV Index predicted to reach 6 [High]

Wednesday 17 September

Summary
Min 14
Max 18
Showers. Wind easing.
Possible rainfall: 2 to 9 mm
Chance of any rain: 95%

Perth area

Cloudy. Very high chance of showers, most likely in the morning and afternoon. Winds northwesterly 20 to 30 km/h turning west to southwesterly 15 to 25 km/h in the late morning and afternoon.

Fire Danger
Swan Coastal North: No Rating
Swan Inland North: No Rating
Swan Coastal South: No Rating
Swan Inland South: No Rating

Sun protection recommended from 9:20 am to 3:00 pm, UV Index predicted to reach 6 [High]

7 day Town Forecasts

Precis Icon Location Min Max
Showers. Perth 11 20
Showers. Joondalup 13 20
Showers. Scarborough 12 19
Showers. Fremantle 12 19
Showers. Rockingham 14 19
Showers. Midland 10 20
Showers. Kalamunda 9 18
Showers. Armadale 10 19
Showers. Swanbourne 12 19
Showers. Wind easing. Rottnest Island 14 18
Showers easing. Mandurah 14 19

Thursday 18 September

Summary
Min 13
Max 17
Possible shower.
Possible rainfall: 0 to 1 mm
Chance of any rain: 40%

Perth area

Partly cloudy. Medium chance of showers, most likely in the morning and early afternoon. Winds southwesterly 15 to 20 km/h becoming light before dawn then becoming southwesterly 15 to 25 km/h in the morning.

Sun protection recommended from 9:10 am to 3:00 pm, UV Index predicted to reach 6 [High]

Friday 19 September

Summary
Min 13
Max 18
Possible morning shower.
Possible rainfall: 0 to 1 mm
Chance of any rain: 40%

Perth area

Partly cloudy. The chance of morning fog. Slight chance of a shower. Light winds becoming south to southwesterly 15 to 20 km/h during the afternoon then becoming light during the evening.

Sun protection recommended from 9:20 am to 2:50 pm, UV Index predicted to reach 6 [High]

Saturday 20 September

Summary
Min 12
Max 19
Sunny.
Chance of any rain: 5%

Perth area

Sunny. Winds east to southeasterly 15 to 20 km/h becoming light during the day then becoming southeasterly 15 to 20 km/h during the afternoon.

Sunday 21 September

Summary
Min 14
Max 21
Sunny.
Chance of any rain: 5%

Perth area

Sunny. Winds easterly 15 to 25 km/h.

Monday 22 September

Summary
Min 15
Max 22
Sunny.
Chance of any rain: 5%

Perth area

Sunny. Winds easterly 15 to 25 km/h.

Tuesday 23 September

Summary
Min 16
Max 23
Sunny.
Chance of any rain: 5%

Perth area

Sunny. Winds east to northeasterly 15 to 25 km/h tending north to northeasterly 15 to 20 km/h during the morning.

The next routine forecast will be issued at 4:40 am WST Wednesday.

Product derived from IDW14199 and IDW12300