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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 ·
Penrith is set for a mostly fine day with the live forecast above showing a top temperature in the low-to-mid thirties, winds tending north-easterly and a medium chance of an afternoon storm brewing over the Blue Mountains.
What’s driving today’s heat and storm risk?
A trough sitting over western NSW is drawing warm, humid air across the Sydney basin. This setup often triggers late-afternoon storms around Penrith, especially near the Nepean River and foothills. The storm chance leans on how quickly the seabreeze pushes inland; if it stalls, Penrith stays hotter longer, increasing instability for a possible squall.
How does this compare with the rest of the week?
Tomorrow should be similar, though the trough weakens slightly – so the weather in Penrith tomorrow may bring a lower storm risk but another warm day. For those looking at the weather in Penrith 10 days or a Penrith weather 14 days outlook, a drier south-westerly change is expected by the weekend, dropping temperatures back to the mid-twenties.
What’s the best radar to watch for Penrith storms?
The Penrith weather radar 128 km (Sydney-Terrey Hills) covers the area well. Storms often first show near the Blue Mountains before moving east into Penrith around 3–6 pm.
How accurate is the Penrith weather forecast 30 days?
Extended forecasts beyond a week are general trends only. The 30-day outlook suggests above-average warmth, but day-to-day accuracy drops sharply after 7 days.
Where can I find the official BOM weather Penrith page?
Bureau of Meteorology publishes hourly observations and a 7-day forecast for Penrith at their site, updated every few minutes with live data from the local weather station.
Stay across the latest at our Australia weather hub, or see conditions in Sydney and Brisbane. For severe storm alerts, check our warnings page.