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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Coast Monitor Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Koo Wee Rup’s weather is shaped by its low-lying position near Western Port Bay. The live forecast above shows today’s conditions. Expect cool, foggy winter mornings and mild summer afternoons with sea breezes that often keep temperatures lower than inland spots like Pakenham.
What drives the local weather?
Koo Wee Rup sits on drained swamp flats west of Western Port Bay. Cold fronts moving across the bay bring rain and gusty winds, especially in spring and winter. Summer sea breezes arrive by mid-afternoon, dropping temperatures quickly. Fog is common in autumn and winter, often lingering until late morning.
How does it compare to nearby towns?
Koo Wee Rup is generally a couple of degrees cooler than Pakenham in summer due to the bay influence, but warmer than Cranbourne which sits closer to the coast. Drouin, inland to the east, gets more rain and cooler nights year-round. For a broader view, check our Australia weather hub or the Melbourne weather page for city comparisons.
Where can I check the Koo Wee Rup weather radar?
The nearest weather radar is Melbourne’s BOM radar at Laverton or the broader composite for the region. For local conditions, check the live forecast above and use the BOM website for radar loops showing approaching rain. See severe weather warnings for alerts.
How does Koo Wee Rup weather compare to Melbourne weather?
Koo Wee Rup is generally a few degrees cooler than the Melbourne CBD in summer due to sea breezes off Western Port Bay. Winter mornings are often foggy, while Melbourne’s urban heat keeps the city milder overnight.
Is there a reliable Koo Wee Rup weather 14 day forecast?
Long-range forecasts for Koo Wee Rup give a general trend but become less reliable beyond 7 days. For planning, check the live forecast above and BOM’s 7-day outlook, then update closer to the day.