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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.
Live data from Open-Meteo · updates automatically ·
Thornlie’s weather follows a Mediterranean pattern of hot, dry summers and mild, wet winters. The live forecast above shows current conditions for this Perth suburb, with temperatures and humidity readings typical for the season.
What is the typical weather pattern in Thornlie?
Thornlie sits in Perth’s southeastern suburbs, so its climate mirrors the regional pattern. Summer months (December to February) bring average maximums around 31°C, with occasional heatwaves pushing past 40°C. Winter (June to August) is cooler and wetter, with average maximums near 17°C and most of the annual rainfall arriving between May and September. For those checking weather in thornlie 10 days ahead, forecasts remain reliable for general trends but can shift for precise daily details. The thornlie weather tomorrow often follows the broader Perth weather pattern, though local topography can create slight variations in temperature and rainfall.
How do I check Thornlie weather details?
For thornlie weather hourly updates, the live forecast above provides current conditions. The thornlie weather radar is useful for tracking rain bands moving in from the west, particularly during winter months. For a broader view of regional conditions across the country, visit the Australia weather hub. Thornlie does not experience extreme weather as frequently as northern Australia, but summer heatwaves and winter storms can occur. The Bureau of Meteorology issues warnings that apply to the Perth metropolitan area, including Thornlie, when conditions become hazardous.
What is the best time to visit Thornlie?
Autumn (March to May) and spring (September to November) offer the most comfortable conditions, with mild temperatures and lower humidity. These shoulder seasons avoid peak summer heat and the wettest winter months, making outdoor activities more pleasant.
Does Thornlie experience extreme weather?
Thornlie can see summer heatwaves above 40°C and winter storms with heavy rain and gusty winds. Thunderstorms are most common in spring and summer. The Bureau of Meteorology issues warnings when conditions become hazardous.
How does Thornlie weather compare to Perth CBD?
Thornlie is about 20 kilometres inland from the Perth CBD, so it can be slightly warmer in summer and cooler in winter. Rainfall totals are similar, though the coast often receives more winter rainfall from westerly systems.