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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Oz Reviewly Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Check the live forecast above for Thornlie’s current conditions before heading out. This page gives you practical details on what to expect today and in the coming days, based on Bureau of Meteorology data.
What is the weather like in Thornlie today?
Thornlie, in Perth’s south-eastern suburbs, has a Mediterranean climate. The live forecast above shows today’s temperature, wind speed, and chance of rain. Mornings are often cool, with sea breezes picking up by late afternoon. Check the UV rating if you plan to be outdoors for more than 30 minutes.
What should I prepare for in the next few days?
Look at the live forecast above for the seven-day outlook. Summer days can exceed 35°C, while winter brings rain and temperatures around 10–18°C. Afternoon thunderstorms are possible in spring and autumn. Keep a light jacket handy if you’re out early or late.
Does Thornlie get much rain?
Thornlie averages about 750 mm of rain annually, mostly between May and September. January and February are the driest months, with less than 15 mm each. Check the live forecast above for any rain warnings.
When is the best time to visit Thornlie?
Spring (September–November) and autumn (March–May) offer mild temperatures and lower humidity. Summer can be very hot, so plan outdoor activities for early morning or late afternoon. Winter is cooler but still pleasant for indoor attractions.
How reliable is the forecast for Thornlie?
The Bureau of Meteorology provides localised forecasts updated at least twice daily. The live forecast above is from the same source. For severe weather, check the Severe Weather Warning page.
Sources
For broader forecasts, visit our Australia weather hub or see conditions in Perth Weather.