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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 ·
Girrawheen’s weather this week is being shaped by a weak trough lingering off the Perth coast, bringing the suburb a mix of morning cloud and afternoon sea-breeze changes. The live forecast above shows the current conditions and the Bureau of Meteorology’s latest observations for the northern suburbs.
What’s driving Girrawheen’s conditions today?
The Indian Ocean high-pressure ridge is keeping the broader Perth region mostly dry, but a coastal trough is generating the cloud and the slight chance of a light afternoon shower. The sea breeze, known locally as the “Fremantle Doctor”, is expected to strengthen after 1pm, dropping the temperature by 2-3 degrees Celsius and bringing a noticeable wind shift. This is typical for late spring in the inland suburbs, where the coastal influence arrives later than at the beaches.
How will Girrawheen’s inland location affect the forecast?
Situated about 12 kilometres north-east of the coast, Girrawheen often sees temperatures 1-2 degrees warmer than the coastal strip before the sea breeze arrives. The suburb’s elevation near the Gnangara Mound also means overnight temperatures can drop more quickly than in the city centre. For the latest on any developing troughs, check our Perth Weather page or the live radar on the Australia weather hub.
Will the sea breeze reach Girrawheen every afternoon?
Not always. When a strong easterly or northerly gradient wind is blowing, the sea breeze can be delayed or fail to penetrate inland. In summer, it typically arrives most afternoons but weakens as it moves through the northern suburbs.
Is Girrawheen prone to thunderstorm development?
The suburb sits on the Swan Coastal Plain, which can see afternoon storms when a trough deepens over the Darling Scarp. These are most common from November to March, often bringing brief heavy rain and gusty winds.
How does the Gnangara Mound affect local weather?
The sandy soils of the Gnangara Mound heat up quickly in the sun and cool rapidly overnight. This can create local temperature differences that influence fog formation in winter and the timing of the afternoon sea breeze in summer.