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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Aussie Briefly Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Gwelup’s weather today, as shown in the live forecast above, is typical of Perth’s coastal plain – mild mornings giving way to a warm afternoon with light sea breezes. Keep an eye on the afternoon wind shift if you’re heading to Lake Gwelup or the nearby beaches.
What is the weather like in Gwelup this week?
Gwelup sits just inland from Trigg and Scarborough, so its climate mirrors the Perth weather pattern: hot, dry summers and cool, wet winters. The live forecast above covers the coming days – expect the usual pattern of early cloud clearing to sunny skies. For a detailed outlook, check the weather forecast tomorrow and the weather for the week on our hub.
How does Gwelup’s location affect its weather?
Being only a few kilometres from the Indian Ocean, Gwelup catches the afternoon Fremantle Doctor – a cooling sea breeze that moderates summer heat. The suburb’s proximity to Lake Gwelup also means slightly higher humidity in the mornings, especially after rain. In winter, cold fronts sweep across the Swan Coastal Plain, bringing the kind of rain that fills the lake and turns the reserve emerald green.
Does Gwelup get thunderstorms?
Yes, but infrequently. Most thunderstorm activity occurs when inland heating collides with a trough over the Darling Scarp. Gwelup can see an isolated storm in late spring or early summer, often accompanied by gusty winds and brief heavy rain.
How does Gwelup weather compare to the Perth CBD?
Gwelup is typically 1–2°C cooler than the CBD on summer afternoons due to its coastal proximity, but it can be a few degrees warmer on winter mornings when the inland site radiates heat more quickly. Rainfall amounts are similar – about 10–15% higher near the coast.
Is Gwelup a good place to stay for beach weather?
Absolutely. Gwelup accommodation is popular with visitors who want quick access to Trigg, Scarborough and the Sunset Coast. The suburb’s weather is ideal for swimming from December to March, though southerly swells can make conditions choppy.