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Perth Forecast

View the current warnings for Western Australia

Forecast issued at 1:10 am WST on Saturday 18 October 2025.

Forecast for the rest of Saturday

Summary
Max 22
Shower or two.
Possible rainfall: 0 to 1 mm
Chance of any rain: 50%

Perth area

Cloudy. Medium chance of showers, becoming less likely in the early afternoon. Winds northwesterly 15 to 25 km/h tending westerly 25 to 35 km/h in the early morning then becoming light in the evening.

Fire Danger
Swan Coastal North: Moderate
Swan Inland North: Moderate
Swan Coastal South: Moderate
Swan Inland South: Moderate

Sun protection recommended from 8:20 am to 3:40 pm, UV Index predicted to reach 9 [Very High]

7 day Town Forecasts

Precis Icon Location Min Max
Shower or two. Perth 22
Possible shower. Joondalup 22
Possible shower. Scarborough 22
Possible shower. Fremantle 22
Shower or two. Rockingham 21
Shower or two. Midland 23
Shower or two. Kalamunda 21
Shower or two. Armadale 21
Possible shower. Swanbourne 22
Windy. Partly cloudy. Rottnest Island 21
Shower or two. Mandurah 21

Sunday 19 October

Summary
Min 12
Max 21
Showers.
Possible rainfall: 1 to 7 mm
Chance of any rain: 90%

Perth area

Partly cloudy. High chance of showers, most likely in the morning and afternoon. Winds north to northwesterly 20 to 30 km/h tending northwest to southwesterly in the middle of the day then becoming light in the evening.

Sun protection recommended from 8:20 am to 3:40 pm, UV Index predicted to reach 9 [Very High]

Monday 20 October

Summary
Min 9
Max 20
Shower or two.
Possible rainfall: 0 to 7 mm
Chance of any rain: 70%

Perth area

Partly cloudy. High chance of showers. The chance of a thunderstorm in the afternoon and evening. Light winds becoming westerly 15 to 25 km/h during the day then turning south to southwesterly during the afternoon.

Sun protection recommended from 8:30 am to 3:30 pm, UV Index predicted to reach 8 [Very High]

Tuesday 21 October

Summary
Min 9
Max 21
Mostly sunny.
Chance of any rain: 20%

Perth area

Mostly sunny. Light winds becoming south to southwesterly 15 to 25 km/h during the morning then becoming light during the evening.

Sun protection recommended from 8:20 am to 3:40 pm, UV Index predicted to reach 9 [Very High]

Wednesday 22 October

Summary
Min 9
Max 24
Sunny.
Chance of any rain: 5%

Perth area

Mostly sunny. Light winds becoming south to southwesterly 15 to 25 km/h during the day.

Thursday 23 October

Summary
Min 10
Max 22
Mostly sunny.
Chance of any rain: 10%

Perth area

Mostly sunny. Light winds becoming southwesterly 15 to 25 km/h during the day.

Friday 24 October

Summary
Min 11
Max 21
Partly cloudy.
Possible rainfall: 0 to 1 mm
Chance of any rain: 30%

Perth area

Partly cloudy. Slight chance of a shower. Winds southerly 15 to 20 km/h turning southwesterly 15 to 25 km/h during the morning.

The next routine forecast will be issued at 1:20 pm WST Saturday.

Product IDW12300