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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Oz Reviewly Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Perth’s weather today is mostly sunny with a top around the temperature shown in the live forecast above. Autumn brings mild days, cool nights, and light easterly winds, making it one of the most comfortable times to be in the city.
What’s the outlook for the next few weeks?
The weather in Perth 10 days ahead shows a mix of clear skies and a few weak cold fronts, keeping daytime highs in the low-to-mid 20s. For a longer view, the 28 day weather forecast Perth suggests settled conditions through most of April, with no prolonged rain events expected. The weather Perth 14 days BOM outlook aligns with this: a gradual drop in overnight temperatures as winter approaches.
How reliable is the BOM forecast for Perth?
The Bureau of Meteorology issues the official bom Perth WA 7 day forecast, updated at least twice daily. It uses radar, satellite, and model data to give city and coastal forecasts. For planning beyond a week, the weather Perth Australia 14 day forecast becomes less precise, but general trends – like a shift to cooler, wetter weather – are usually accurate. The weather Perth 21 days outlook is best used as a guide for seasonal patterns, not day-to‑day detail.
Does Perth get much rain in autumn?
Not really. Perth’s wettest months are June to August. In autumn, you’ll see only a few light showers, mostly from weak cold fronts. April averages 5–7 rain days, with totals around 40–50 mm.
Why is the Perth forecast often for “mostly sunny”?
Perth sits on a flat coastal plain with a Mediterranean climate. High-pressure systems dominate for most of the year, keeping skies clear. The “mostly sunny” tag appears on roughly two out of three days, especially from spring to autumn.
Is the BOM forecast for Perth different from other weather apps?
Yes. The Bureau of Meteorology is Australia’s official weather agency. Its forecasts are based on direct observations and its own modelling, while many apps repackage overseas models. Check weather Perth Australia on BOM for the most reliable data.
Sources
For more Australian city forecasts, visit our Australia weather hub. Compare Perth’s conditions with Melbourne Weather or Sydney Weather. Stay alert for any Severe Weather Warning updates.