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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Aussie Pulse Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above for today’s conditions in Dunsborough, then plan your coastal activities around the afternoon sea breeze, which typically strengthens by midday.
What makes Dunsborough’s weather different?
Dunsborough sits on Geographe Bay, sheltered from the direct swell of the Southern Ocean, so its climate is milder than exposed southwest capes. Summer days often reach the low 30s (°C), while winter maxima hover around 16°C. The dominant south-westerly winds bring morning calm and afternoon gusts, especially from November to March.
How reliable are extended forecasts?
For the weather in Dunsborough 10 days or a Dunsborough weather 14 day outlook, models become less accurate beyond day seven due to shifting pressure systems. A Dunsborough weather 21 day forecast gives a broad trend only – rely on the Bureau of Meteorology’s 7-day update for actual planning. Use the Dunsborough weather radar linked in sources below to track incoming fronts in real time.
How do I check the Dunsborough weather BOM forecast?
The Bureau of Meteorology issues the official forecast for the South West district. Search “BOM Dunsborough” or use the live radar at bom.gov.au to see current conditions and warnings.
When is the best time to visit for calm conditions?
Autumn (March–May) offers stable weather, fewer crowds, and water temperatures around 20–22°C. Morning winds are light, ideal for swimming or paddleboarding in the bay.
Does Dunsborough get heatwaves?
Yes, occasional heatwaves push temperatures above 38°C in summer, usually ahead of a cold front. The sea breeze usually drops the mercury by late afternoon, providing natural relief.
Sources
For broader conditions across the state, see Perth Weather or the national Australia weather hub. If a storm is developing, check the Severe Weather Warning page for the South West district.