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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Aussie Pulse Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Perth’s 48-hour forecast, shown in the live forecast above, points to a typical late-summer pattern of warm days, cooling afternoon sea breezes, and clear overnight skies – a stable scenario thanks to a broad high-pressure system lingering off the west coast.
What drives Perth’s 48‑hour weather pattern?
The city’s short‑term forecast is dominated by the position of the high‑pressure ridge, which funnels a steady easterly flow overnight and a south‑westerly sea breeze each afternoon. This familiar rhythm keeps temperatures moderate and lowers the chance of rain. For a broader picture, check our Perth weather page or compare conditions with other Australian capitals. If you’re planning further ahead, the weather perth 14 days outlook can help with weekend plans, while the weather in perth 10 days view offers a medium‑range snapshot.
How to use the 48‑hour forecast in practice
Because the pattern is stable, you can rely on the live forecast above for precise timing of the sea‑breeze change. Early mornings are often calm and clear – ideal for outdoor exercise – while the afternoon wind shift may affect beach or sailing plans. For hour‑by‑hour details, the perth weather hourly bom product (Bureau of Meteorology) gives the most granular updates, especially useful if you need to schedule activities around wind speed.
Will it rain in Perth over the next 48 hours?
Rain is unlikely. The high‑pressure system blocks most moisture from reaching the coast, keeping the sky mostly sunny or partly cloudy. Any brief showers would only occur if a trough sneaks in from the east – something the live forecast above will show immediately.
Why does the wind often pick up in the afternoon?
The land heats faster than the ocean, creating a pressure difference that pulls cool air inland as a sea breeze. This south‑westerly arrives most afternoons between lunch and early evening, then weakens after sunset. The live forecast above includes wind speed and direction for each hour.
How accurate are 48‑hour forecasts for Perth?
They are generally reliable, especially during stable high‑pressure setups like this one. The BoM’s model accuracy for 48‑hour temperature and wind is around 85 %. However, small changes in the pressure gradient can shift the sea‑breeze timing – always confirm with the live forecast above on the day.
If conditions turn severe – such as a heatwave or strong wind warning – our Severe Weather Warning page has up‑to‑date alerts for Perth and surrounds.