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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Coast 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 ·
Kellyville’s weather today, as shown in the live forecast above, is typical of Sydney’s north-west suburbs: warm inland conditions with clear skies and a moderate afternoon breeze.
What is the typical weather pattern for Kellyville?
Kellyville sits in Sydney’s Hills District, about 35 kilometres north-west of the CBD, so it often runs a few degrees warmer than the coast in summer and cooler on winter nights. The area experiences a humid subtropical climate with four distinct seasons.
- Summer (Dec–Feb): Hot and occasionally humid, with afternoon storms. Average highs around 28–30°C.
- Autumn (Mar–May): Mild and settled, with clear days and cool nights. A pleasant transition period.
- Winter (Jun–Aug): Cool and crisp, with morning fog possible. Daytime highs average 16–18°C; overnight lows can dip to 5°C.
- Spring (Sep–Nov): Warming up, with increasing humidity and late-afternoon thunderstorm risk.
How can I check the Kellyville forecast for the next week or month?
For a reliable outlook, use the live forecast above for the next few days, then refer to the Bureau of Meteorology for official data. For longer-range planning, the 10-day forecast gives a solid overview, while the 28-day outlook is useful for trend spotting but less precise.
- For hourly details, check the weather in kellyville hourly tab on the live panel.
- For tomorrow’s conditions, the weather in kellyville tomorrow section updates each evening.
- For radar and storm tracking, the kellyville weather radar from BOM is the most accurate tool.
What is the best source for Kellyville weather BOM data?
The Bureau of Meteorology provides official observations from nearby Richmond RAAF and Horsley Park stations. For the most accurate kellyville weather bom data, use their website or app for current conditions and warnings.
How reliable is the Kellyville weather 14 day forecast?
A 14-day forecast gives a useful trend but accuracy drops significantly after day 7. For planning, rely on the 7-day outlook and check the kellyville weather 28 day forecast only for broad seasonal patterns.
Does Kellyville get much rain compared to Sydney?
Kellyville receives slightly less annual rainfall than the Sydney CBD because it sits inland, away from coastal showers. Most rain comes from summer thunderstorms and east coast lows in autumn and winter.