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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 ·
Check the live forecast above before heading to Carrum Beach, as the bay breeze can shift conditions quickly along this stretch of Port Phillip. Carrum’s coastal weather is shaped by its position between the Mordialloc Creek and the Patterson River, making it cooler than inland suburbs on summer afternoons.
What makes Carrum’s weather different from Melbourne’s?
Carrum sits on the eastern edge of Port Phillip Bay, so its weather often lags behind the city centre by an hour or two. A sea breeze from the south-west typically arrives mid-morning, dropping temperatures by 3–5°C compared to Melbourne weather readings. In winter, the bay keeps Carrum slightly milder overnight, but fog can linger over the Carrum Downs wetlands until late morning.
How reliable are the 14-day and hourly forecasts for Carrum?
The carrum weather 14 day forecast gives a useful trend for planning beach days or fishing trips, but the carrum weather hourly update is more dependable for timing a walk along the foreshore. The carrum weather radar at BOM’s Melbourne site is the best tool for spotting showers moving in from the bay, especially between October and March when afternoon storms are common.
Is Carrum Beach safe to swim in all weather?
Swim only when the live forecast shows light winds and no thunderstorm risk. The beach has no permanent lifeguards, and a strong south-westerly can create rips near the Patterson River mouth.
Does Carrum get more rain than inland suburbs?
Yes, by about 10–15% annually. The bay funnels moisture-laden air, so Carrum and Carrum Downs often catch showers that pass over the city. Check the weather in carrum downs 10 days forecast for a broader picture.
When is the best time to visit Carrum for calm weather?
Late February to early April offers the most stable conditions: light northerly winds in the morning, a mild sea breeze by lunch, and clear evenings. Avoid November when thunderstorms are most frequent.