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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Australia Watch 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 Thirlmere before planning your day. This Southern Highlands town sits at around 330 metres elevation, giving it a noticeably cooler and fresher climate than nearby Sydney or Wollongong.
What makes Thirlmere’s weather distinct?
Thirlmere lies in the Wollondilly Shire, roughly 80 kilometres southwest of Sydney and 45 kilometres northwest of Wollongong. Its elevation moderates summer heat, keeping afternoons several degrees cooler than the coast. Winter nights can drop close to freezing, with morning frost common. The area receives reliable rainfall year-round, with a slight peak in late summer and autumn. For broader regional patterns, the Australia weather hub provides useful context.
Planning around Thirlmere weather
For outdoor plans, the weather in Thirlmere tomorrow or over the next 7 days can change quickly as systems move across the ranges. The thirlmere weather 7 day forecast and thirlmere weather 14 day forecast give a useful guide, but check the live forecast above for the most current data. For hourly details, the thirlmere weather hourly view helps with timing outdoor activities.
Does Thirlmere get snow?
Light snow or sleet occurs once or twice most winters, usually when cold fronts stall over the Southern Highlands. Significant accumulations are rare; the town is lower than nearby Robertson or Bowral. Frost is far more common than snow.
How reliable are extended forecasts for Thirlmere?
Forecasts within 7 days are generally reliable for temperature trends and broad conditions. The thirlmere weather 14 day forecast offers a useful outlook for planning, but confidence decreases beyond 10 days as weather systems shift.
Is Thirlmere weather similar to Wollongong or Sydney?
Thirlmere is typically 3–6°C cooler than Wollongong or Sydney on summer afternoons due to its elevation. Winter nights are colder with more frost. Rainfall totals are similar, though Thirlmere can receive slightly more drizzle and fog from orographic lift.