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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 ·
Check the live forecast above for the most current conditions in Parramatta. You’ll generally find warm summers and mild winters, with rainfall spread throughout the year, so it’s wise to keep an eye on the sky before heading out.
What is the typical climate in Parramatta?
Parramatta, in western Sydney, has a humid subtropical climate. Summers (December–February) are warm to hot, with average highs around 28–30°C, though temperatures often push into the mid-30s during heatwaves. Winters (June–August) are mild, with daytime highs near 17–18°C and overnight lows around 6–8°C. Rainfall is fairly evenly distributed, but late summer and autumn can bring heavier falls from east coast lows.
How does the live forecast above compare with the seasonal average?
If the live forecast shows temperatures notably above or below the averages we’ve described, it might indicate a heat event or a cold snap. For example, a forecast above 35°C in summer could prompt a Severe Weather Warning for extreme heat. Conversely, a winter day below 14°C would be cooler than the norm. Always use the live data as your primary guide.
What’s the best time to visit Parramatta for pleasant weather?
Autumn (March to May) and spring (September to November) offer mild temperatures and lower humidity. These are ideal for outdoor activities at Parramatta Park or along the river.
Does Parramatta ever get extreme heat?
Yes. Western Sydney often experiences temperatures a few degrees higher than the coast, and heatwaves can push the mercury above 40°C. Always stay hydrated and check for official warnings.
How does Parramatta’s weather compare with Sydney CBD?
Parramatta is generally warmer in summer and cooler in winter than the Sydney CBD, because it’s further inland and away from coastal sea breezes. Rainfall totals are similar but slightly lower.
For broader coverage of New South Wales, visit our Sydney Weather page, or explore the Australia weather hub for other capital cities.