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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Southern Focus 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 — coastal conditions along Port Phillip Bay shift quickly, especially when afternoon sea breezes strengthen. The bay keeps summers milder than inland Melbourne and winters slightly warmer, so planning around the seabreeze makes for a better day out.
What makes Carrum’s weather different from inland Melbourne?
Carrum sits directly on Port Phillip Bay, so daily sea breezes dominate the pattern, cooling summer afternoons and pushing showers ashore faster than suburbs further inland.
- Summer seabreezes arrive by late morning, dropping temperatures 3–5°C below the city centre — a key difference when checking melbourne weather for comparison
- Winter minimums stay milder because the bay releases stored heat, rarely falling below 5°C
- The bay effect creates localised rain bands that show up clearly on carrum weather radar before they reach the coast
When is the best time to visit Carrum Beach?
Late summer and early autumn (February to April) offer the most reliable beach weather, with calm mornings and manageable afternoon seabreezes.
- January averages 26°C but afternoon northerlies can spike temperatures before the seabreeze arrives
- Autumn brings fewer storms and lighter winds, ideal for families and longer sessions on the sand
- Spring is changeable; check the carrum weather 14 day forecast before locking in plans
How accurate are long-range forecasts for Carrum?
Seven-day forecasts are useful for planning, but coastal conditions along Port Phillip Bay can shift within hours due to seabreeze changes. For precise timing, check carrum weather hourly updates on the morning of your visit.
Does Carrum get fog?
Yes, particularly in autumn and winter when cool air settles over the warmer bay, creating a shallow fog layer. It usually clears by late morning, giving way to sunny skies and light winds.
How does Carrum weather differ from Carrum Downs?
Carrum Downs sits about 30 metres higher and 3 km inland, so it runs 1–2°C warmer on summer afternoons and cooler overnight. For accurate planning, check weather in carrum downs 10 days alongside the Carrum forecast.