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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.
Prestons in south-west Sydney sits in a weather pocket that is often a few degrees warmer than the city, so the live forecast above will give you the precise conditions for today, including any afternoon shift.
What makes Prestons weather different from Sydney CBD?
Prestons sits inland on the Cumberland Plain, so it misses the afternoon sea breeze that moderates sydney weather near the coast. That means summer afternoons here can push 2–4°C higher than the CBD, while winter mornings are often a couple of degrees cooler. The Bureau of Meteorology treats Prestons as part of the greater western Sydney forecast zone, so you will see that reflected in bom prestons nsw readings.
What does the short‑term outlook look like?
For prestons weather tomorrow, check the live forecast above — it is the most reliable guide for the next 24 hours. If you need finer detail, the prestons nsw weather hourly breakdown on the BOM website shows when the west‑south‑westerly change arrives. For a longer view, the prestons nsw weather 14 day forecast can help you plan ahead, though day‑8 to day‑14 should be treated as a trend rather than a certainty.
How does Prestons weather compare with Penrith and Liverpool?
Penrith is further west and often records the region’s highest temperatures, while liverpool weather nsw is slightly cooler because it is closer to Botany Bay. Prestons sits between them — warmer than Liverpool, but a degree or two below penrith weather extremes.
When is the best time of year to visit Prestons?
Early autumn (March–April) and late spring (October–November) offer the most comfortable conditions: warm days around 24–27 °C, lower humidity, and fewer storms. Summer can be hot and humid, while winter is cool but rarely drops below 5 °C.
Does Prestons get severe weather like the coast?
Severe thunderstorms are more common than coastal cyclones, especially in November to February. Hail and damaging winds occur a few times each summer. Check the BOM radar on our weather radar page and any current severe weather warning for your area.