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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Southern Pulse Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
If you are heading out across Perth today, expect the conditions shown in the live forecast above to hold through the afternoon, with the usual coastal shift as the sea breeze arrives from Fremantle. The city’s weather is shaped by its position on the Swan Coastal Plain, sandwiched between the Indian Ocean and the Darling Scarp.
What is driving Perth’s weather right now?
A strong ridge of high pressure sitting south of the Great Australian Bight is directing a steady stream of easterly winds across the metropolitan area. This pattern keeps skies mostly clear inland, though a shallow sea breeze often develops by mid-afternoon, cooling the coast from Cottesloe to Scarborough while suburbs east of the Mitchell Freeway remain warmer.
How does the forecast change across the metro area?
Perth’s weather varies noticeably from the coast to the hills. In summer, the difference between Ocean Reef and Midland can reach six or seven degrees. The live forecast above gives a city-centre reading, but if you are heading to the Swan Valley or the Perth Hills, add a couple of degrees and expect lighter winds.
Why does Perth get so much hotter than Fremantle in summer?
Fremantle sits right on the coast and catches the full force of the afternoon sea breeze, often keeping it below 30°C. Inland suburbs like Armadale and Ellenbrook miss that cooling effect until late evening, so their daytime maximums can be five to eight degrees higher.
When is the best time to visit Perth for fine weather?
March and April offer the most reliable conditions: warm days around 28°C, low humidity, and very little rain. The sea breeze is still present but weaker than in January, making beach trips and outdoor events comfortable through the afternoon.
Does the Darling Scarp affect Perth’s rainfall?
Yes. The scarp forces moist air from the west to rise, which increases rainfall along the hills from Kalamunda to Mundaring. Those areas typically receive 100–150 mm more rain per year than the coastal plain, especially during winter cold fronts.
For the latest conditions across the country, visit the Australia weather hub. Compare Perth’s outlook with Melbourne Weather or Sydney Weather, and check Severe Weather Warning updates if a front is approaching.