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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Australia Focus Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Altona’s weather today, shown in the live forecast above, is typical for this coastal suburb: mild mornings and breezy afternoons shaped by Port Phillip Bay. Spring brings a mix of clear skies and afternoon sea breezes, while summer afternoons often cool off with a south‑westerly change.
What’s making the forecast for Altona today?
The live forecast above captures the influence of the bay and nearby grasslands. Temperatures here tend to be a degree or two cooler than inland Melbourne thanks to the sea breeze, which picks up around midday. You’ll notice the wind direction shifts from north‑easterly overnight to south‑westerly by the afternoon – a classic pattern that keeps Altona beach weather pleasant for most of the year.
How does Altona’s microclimate differ from Melbourne’s CBD?
Being right on the bay, Altona often feels fresher than the city centre. Humidity levels are slightly higher, and summer maximums are moderated by the cool water. If you’re checking weather in Altona Victoria 10 days ahead, keep an eye on those afternoon wind changes – they can make a 30 °C day feel much more comfortable near the water.
How accurate is the Altona 14 day forecast?
Long‑range forecasts for Altona are reliable for trends, but day‑to‑day detail becomes less certain after seven days. The land‑sea breeze pattern is predictable, so you can trust the general feel, but always check the live forecast above for the latest BOM weather Altona updates.
What’s the best time to visit Altona Beach for calm conditions?
Early mornings before 10 am are usually the calmest, with light winds and flat water. By late afternoon the sea breeze picks up, which is perfect for kite‑surfing but less ideal for a quiet swim. The altona weather hourly breakdown in the live forecast shows the wind trend.
Does Altona ever get severe storms?
Yes, especially in late spring and summer when thunderstorms develop over the bay. The altona weather radar is a great tool to track cells moving in from the west. If a warning is issued, check our severe weather warning page for updates.
For more detailed outlooks, visit our Melbourne weather hub or the Australia weather page.