Melboutne Weather

Melboutne weather is famously changeable, swinging between cool southerly changes and warm northerly flows as the city sits on the edge of Port Phillip Bay. Right now, the live forecast above shows today’s conditions, which is typical of the transition into autumn when the humidity of summer gives way to crisp, clear afternoons and chilly mornings.

What makes Melboutne’s climate so unpredictable?

The city’s position between the bay to the south and the hot inland plains to the north creates a natural collision zone. A northerly wind can push temperatures above 35°C in summer, only for a “cool change” from the Southern Ocean to drop the mercury by 15 degrees within an hour. This rapid-fire pattern is most pronounced from October to March, when the spring and summer heat builds inland and the sea breeze fights to keep the coast temperate. Winter is more stable — grey, damp and cool — but even then, a week of clear skies can arrive without warning. For a broader look at how this pattern compares with other capitals, head to our Australia weather hub.

When do the hottest and coldest days occur?

Summer heatwaves typically arrive in January and February, when a slow-moving high pressure system sits over the Tasman Sea and draws hot air from the interior across Victoria. The coldest spells happen in July and August, when a series of cold fronts roll up from the Antarctic and dump rain and hail across the city’s northern suburbs. Spring and autumn are the sweet spot — warm enough for outdoor eating in Fitzroy or St Kilda, but still carrying that edge of change that keeps locals checking the sky. Stay up to date with the detailed outlook on our Melbourne Weather page.