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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Australia Focus Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Coolbellup is currently experiencing the conditions shown in the live forecast above. Located just inland from Fremantle, the suburb shares Perth’s classic Mediterranean climate – warm, dry summers and mild, wet winters – with a slight coastal moderation that keeps summer heatwaves less intense than in the eastern suburbs.
What weather patterns define Coolbellup?
Coolbellup sits about 10 kilometres from the Indian Ocean, so sea breezes often arrive in the afternoon during summer, dropping temperatures by several degrees. Winters are dominated by cold fronts sweeping across the southwest, bringing steady rain and occasional strong winds. You can expect around 800 millimetres of rainfall annually, most of it falling between May and September. Summers are typically clear and sunny, with January averages hovering around 30°C – though the live forecast above will give you the exact reading for today.
How does the local geography affect the forecast?
The suburb lies on gently rising terrain near the coast, which means fog is rare and frost is uncommon even on winter mornings. However, the proximity to the ocean means humidity can feel higher during summer than in Perth’s inland suburbs. For a broader view of conditions across the state, check our Perth weather page or the Australia weather hub for regional updates.
Does Coolbellup get very hot in summer?
Yes, but less so than inland suburbs. The sea breeze usually arrives by early afternoon, cutting peak temperatures by 3–6°C. Extreme heatwaves (above 40°C) are possible but tend to be shorter-lived near the coast.
What is winter like in Coolbellup?
Winter is cool and damp, with frequent rain and cloudy days. Daytime highs average around 18°C, and overnight lows can drop to 5–8°C. Strong cold fronts occasionally bring gusty winds – keep an eye on our severe weather warning page during those events.
Is Coolbellup windy?
It can be, especially in the afternoon during summer when the sea breeze picks up, and during winter fronts. Average wind speeds are moderate, but gusts exceeding 40 km/h are not unusual in winter storms.