The Bureau's new website is scheduled to go live on Wednesday 22 October 2025. Explore the new website today at beta.bom.gov.au.

Merredin Forecast

View the current warnings for Western Australia

Forecast updated at 6:32 am WST on Tuesday 21 October 2025.

Forecast for the rest of Tuesday

Summary
Max 23
Partly cloudy.
Chance of any rain: 20%

Central Wheat Belt area

Partly cloudy. Slight chance of a shower in the far southwest in the morning. Near zero chance of rain elsewhere. Winds south to southwesterly 15 to 25 km/h becoming light in the evening. Daytime maximum temperatures in the low 20s.

Fire Danger
Mortlock: Moderate
Karroun: Moderate
Avon: Moderate
Lockwood: Moderate

Sun protection recommended from 8:10 am to 3:30 pm, UV Index predicted to reach 9 [Very High]

7 day Town Forecasts

Precis Icon Location Min Max
Mostly sunny. Dalwallinu 23
Partly cloudy. Northam 22
Partly cloudy. Merredin 23
Partly cloudy. Southern Cross 22

Wednesday 22 October

Summary
Min 7
Max 26
Partly cloudy.
Chance of any rain: 5%

Central Wheat Belt area

Partly cloudy. Light winds becoming east to northeasterly 15 to 20 km/h in the morning then becoming light in the middle of the day. Overnight temperatures falling to between 4 and 8 with daytime temperatures reaching the low to high 20s.

Sun protection recommended from 8:10 am to 3:30 pm, UV Index predicted to reach 9 [Very High]

Thursday 23 October

Summary
Min 9
Max 28
Mostly sunny.
Chance of any rain: 10%

Central Wheat Belt area

Mostly sunny. Slight chance of a shower in the southeast, near zero chance elsewhere. The chance of a thunderstorm in the southeast in the afternoon and evening. Light winds becoming south to southwesterly 15 to 25 km/h during the morning then tending west to southwesterly 20 to 30 km/h during the day. Overnight temperatures falling to between 7 and 11 with daytime temperatures reaching 25 to 30.

Sun protection recommended from 8:10 am to 3:30 pm, UV Index predicted to reach 9 [Very High]

Friday 24 October

Summary
Min 7
Max 23
Partly cloudy.
Chance of any rain: 10%

Central Wheat Belt area

Partly cloudy. Slight chance of a shower in the far southwest, near zero chance elsewhere. Winds west to southwesterly 25 to 35 km/h becoming southwesterly 15 to 25 km/h during the evening. Overnight temperatures falling to between 5 and 8 with daytime temperatures reaching the low 20s.

Sun protection recommended from 8:10 am to 3:30 pm, UV Index predicted to reach 9 [Very High]

Saturday 25 October

Summary
Min 6
Max 25
Mostly sunny.
Chance of any rain: 5%

Sunday 26 October

Summary
Min 7
Max 28
Mostly sunny.
Chance of any rain: 5%

Monday 27 October

Summary
Min 9
Max 30
Sunny.
Chance of any rain: 5%

The next routine forecast will be issued at 1:25 pm WST Tuesday.

Product derived from IDW14199 and IDW13170