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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Aussie 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 ·
Gregory Hills weather today, as shown in the live forecast above, typically brings warm summers and mild winters for this south-western Sydney suburb. Being inland, it avoids coastal moderation, meaning summer afternoons often reach the low 30s (°C) while winter nights can dip below 5°C.
What is the typical weather pattern for Gregory Hills?
Gregory Hills experiences a humid subtropical climate with distinct seasons. Summer (December–February) sees average highs around 28–30°C, with occasional heatwaves pushing past 40°C, often accompanied by afternoon thunderstorms. Winter (June–August) is cool and relatively dry, with daytime maxima near 16–18°C and clear, crisp nights. Rainfall is spread year-round but tends to peak in late summer and early autumn due to east coast lows. For current conditions, refer to the Sydney weather hub for broader regional updates.
How does Gregory Hills weather compare to nearby areas?
The suburb sits on the Cumberland Plain, so it is generally a few degrees warmer than coastal Sydney during the day but cooler than western suburbs like Penrith. Neighbouring Gledswood Hills shares similar conditions, though local topography can cause slight temperature variations. The gregory hills weather radar (available via the Bureau of Meteorology) shows rain bands moving from the east, making it useful for tracking approaching storms. For a longer outlook, check the gregory hills weather 14 day forecast on reliable meteorological services.
What is the weather in Gregory Hills tomorrow?
Check the live forecast above for precise values. Typically, tomorrow’s conditions follow the current synoptic pattern: a warm westerly flow in summer, or a cool southerly change in winter. For real-time updates, use the weather gregory hills tomorrow section on the Bureau of Meteorology site.
Is Gregory Hills prone to severe weather?
Yes, like much of western Sydney, it can experience severe thunderstorms with large hail and damaging winds, especially from October to March. Heatwaves are also common in summer. Visit our severe weather warning page for current alerts.
How does Gregory Hills weather affect outdoor plans?
Summer afternoons are best avoided for strenuous activity due to heat; early mornings or evenings are ideal. Winter offers pleasant daytime conditions for walks. Always check the radar before outdoor events, as showers can develop quickly from the east.