South West District

View the current warnings for Western Australia

Forecast issued at 4:25 pm WST on Wednesday 18 June 2025.

Weather Situation

A low pressure system and associated cold front are weakening as they move inland over southwest WA. A westerly flow will continue over southern WA on Thursday maintaining light showers in the southwest. An active cold front will move through the South West Land Division and Gascoyne on Friday, moving further inland on the weekend. A ridge of high pressure will build over the Midwest coast from Sunday as another cold front front brushes past the south coast.

Forecast for the rest of Wednesday

Cloudy. Medium chance of showers. Light winds.

Thursday 19 June

Partly cloudy. High chance of showers, most likely in the morning and afternoon. Light winds becoming northwesterly 15 to 20 km/h in the middle of the day. Overnight temperatures falling to between 8 and 12 with daytime temperatures reaching between 17 and 20.

Fire Danger
Geographe: No Rating
Capes: No Rating
Brockman: No Rating
Blackwood: No Rating
Southern Forests: No Rating

Sun protection not recommended, UV Index predicted to reach 2 [Low]

7 day Town Forecasts

Precis Icon Location Min Max
Showers. Bunbury 9 20
Showers. Busselton 9 20
Showers. Margaret River 13 20
Showers. Augusta 15 20
Shower or two. Bridgetown 7 18
Showers. Collie 7 18
Shower or two. Manjimup 11 17

Friday 20 June

Cloudy. Very high chance of rain. The chance of a thunderstorm. Winds northerly 20 to 30 km/h increasing to 35 km/h before turning westerly 15 to 25 km/h in the late morning and early afternoon. Overnight temperatures falling to between 8 and 13 with daytime temperatures reaching between 16 and 19.

Saturday 21 June

Cloudy. Very high chance of showers, most likely in the morning and afternoon. The chance of a thunderstorm near the south coast. Possible small hail with thunderstorms near the Southwest Capes in the morning and afternoon. Winds westerly 15 to 20 km/h turning southwesterly 25 to 35 km/h during the morning. Overnight temperatures falling to between 3 and 8 with daytime temperatures reaching between 12 and 15.

Sunday 22 June

Cloudy. High chance of showers. Winds west to southwesterly 25 to 35 km/h. Overnight temperatures falling to between 4 and 9 with daytime temperatures reaching between 14 and 18.

The next routine forecast will be issued at 5:00 am WST Thursday.

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