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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Coast 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 ·
Thornlie’s weather is typical of Perth’s southeastern suburbs: hot, dry summers and mild, wet winters. The live forecast above shows today’s conditions, so check that for the most accurate read on temperature and rain chances before heading out.
What’s the best time to visit Thornlie?
October to April offers reliably warm, sunny days, with temperatures often climbing into the low 30s Celsius from December through February. Pack light clothing, a hat, and sunscreen. If you prefer milder weather, May to September brings cool mornings and occasional rain—ideal for avoiding the summer heat, but bring a jacket and umbrella.
How does Thornlie’s weather compare to central Perth?
Thornlie sits about 15 kilometres southeast of the Perth CBD, so it’s slightly warmer in summer and a touch cooler on winter nights. The rain patterns are similar, but the suburb doesn’t get the coastal sea breeze as strongly as beachside areas. For the latest conditions, check the thornlie weather hourly updates or thornlie weather radar before planning outdoor activities.
What’s the weather in Thornlie tomorrow?
Check the live forecast above for the most reliable thornlie weather tomorrow. Generally, summer mornings are fine, with possible afternoon heat, while winter days can be cloudy with light rain.
Is there a 10-day forecast for Thornlie?
Yes—use the live forecast above or look up weather in thornlie 10 days for a longer outlook. Be aware that forecasts beyond 7 days are less reliable, especially for rain timing.
How does Thornlie weather affect travel?
Thornlie is a short drive from Perth, so perth weather largely mirrors it. Summer heat can be intense for outdoor trips, while winter rain is manageable with a good coat. Avoid travel during severe storms—check severe weather warnings before driving.