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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 ·
Check the live forecast above before heading to the beach; Port Kennedy’s coastal weather can shift quickly with a developing seabreeze or an inland trough. This pocket of Perth’s southern coast sits between Rockingham and Secret Harbour, so conditions often mirror what you’ll see in the broader Perth weather bulletin.
What’s driving Port Kennedy’s weather today?
The main influence is the sea breeze – locals call it the “Fremantle Doctor” when it strengthens in the afternoon. Morning calms give way to a cooling south-westerly that can drop temperatures by 5–8 °C within an hour. On days when a trough sits inland, that breeze arrives earlier and can bring a line of cloud or isolated showers. The Bureau of Meteorology’s severe weather warning page flags any unusual wind or thunderstorm risk.
How does the forecast change over the next fortnight?
The port kennedy weather 14 day forecast shows a classic late‑spring pattern: warm, dry spells interrupted by a cool change every four to six days. Overnight lows hover near 14 °C, daytime highs climb to the mid‑20s. Longer-range outlooks are most reliable for the first week; after that, watch the Australia weather hub for updates.
Is the seabreeze always strong at Port Kennedy?
Most afternoons from October to March the seabreeze reaches 25–35 km/h. On days with a strong trough inland, gusts can top 45 km/h, so check the port kennedy weather hourly live feed if you’re planning wind-sensitive activities.
Where can I get a reliable wind forecast for Port Kennedy?
Try seabreeze port kennedy on WillyWeather – it gives hour‑by‑hour wind direction and speed. The BOM’s Meteye also offers a localised coastal wind product.
How does the 14‑day forecast compare to Sydney’s coastal weather?
Port Kennedy runs cooler than Sydney weather in summer, thanks to the persistent seabreeze, but both see afternoon wind shifts. Sydney’s humidity is higher; Port Kennedy stays drier with an average 55–65% relative humidity.