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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Australia Data Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Thirlmere’s weather is shaped by its position at the foot of the Southern Highlands, bringing cooler, breezier conditions than the Sydney basin. The live forecast above gives you the immediate picture for the day ahead.
What makes Thirlmere’s weather different from Sydney?
Thirlmere sits about 80 kilometres south-west of the city centre, at a higher elevation. This typically means daytime highs are a few degrees lower than Sydney weather, and overnight lows can drop sharply, especially in winter. The area also sees more cloud and a slightly higher chance of showers than the coast, thanks to its proximity to the escarpment. For a broader comparison, Wollongong weather is often milder and more humid due to its coastal position.
How reliable are the longer-range forecasts for Thirlmere?
For the most reliable view, the weather in Thirlmere 10 days forecast from the Bureau of Meteorology is your best bet, as it accounts for local topography. The Thirlmere weather 14 day forecast can give a broad trend but becomes less certain after day 7. For daily planning, the Thirlmere weather 7 day forecast and Thirlmere weather tomorrow updates are typically accurate. If you need fine detail for outdoor work, the Thirlmere weather hourly breakdown is useful for spotting afternoon showers.
Does Thirlmere get frost?
Yes, especially in winter. Clear, calm nights allow the temperature to drop near freezing in low-lying areas. Frost is common from June to August, so gardeners should be prepared.
Is Thirlmere prone to storms?
Thirlmere can see severe thunderstorms in spring and summer, often developing over the escarpment. Check severe weather warnings for any approaching cells.
What’s the best time to visit Thirlmere for pleasant weather?
Autumn (March to May) offers mild days and clear skies, with less humidity than summer. Spring (September to November) is also good, though showers are more likely.