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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Down Under Brief Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Tregear, in Sydney’s outer-west near the foot of the Blue Mountains, is looking at a mostly fine day with the live forecast above showing a mild top. The suburb’s inland position means it often runs a few degrees warmer than the coast, with less breeze.
What is the weather like in Tregear today?
Tregear sits on the Cumberland Plain, about 45 kilometres west of the Sydney CBD, so its weather is shaped by that inland setting. The live forecast above gives the clearest picture for the next few hours. Mornings can be cooler here than in the city, especially in winter, while summer afternoons regularly push into the mid-thirties. The nearest Bureau of Meteorology observation site is at Penrith Lakes, just a few kilometres north, which closely mirrors Tregear’s conditions.
How does Tregear’s location affect its weather?
Being west of the city, Tregear misses the moderating influence of the sea breeze until later in the day, if at all. This makes it one of the hotter parts of the Sydney basin during a heatwave. When a southerly buster arrives, it can take hours to reach Tregear, and the change is often weaker. For real-time tracking, the Sydney weather page and the weatherzone weather radar are useful tools to watch approaching storms or showers.
Does Tregear get much rain?
Tregear receives about 700–800 millimetres annually, typical for western Sydney. Most rain falls in summer and autumn, often from afternoon thunderstorms. Winters are drier and cooler, with occasional cold fronts bringing light showers.
Is Tregear affected by severe weather?
Yes. The suburb lies in a corridor prone to severe thunderstorms, including large hail and damaging winds, especially from October to March. Heatwaves are also a concern. Check the severe weather warning page for alerts.
How does Tregear compare to the coast for weather?
Tregear is typically 3–5°C hotter than Sydney’s eastern suburbs on summer afternoons, and it cools down more at night. The radar weather loop on the Australia weather hub shows how storms often develop over the mountains and move across Tregear.