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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 ·
Cairnlea is seeing conditions typical of a Melbourne autumn afternoon, with the live forecast above showing a mild temperature and light north-westerly breeze. Residents across this western-suburban pocket, between Deer Park and Caroline Springs, can expect a mostly fine evening before clouds increase overnight.
What is driving Cairnlea’s weather today?
A high-pressure system over the Great Australian Bight is keeping Cairnlea dry and stable for now, though a trough approaching from the west will bring cloudier skies later tonight. Melbourne weather patterns often shift rapidly with these systems, and Cairnlea’s inland position means it can be a degree or two warmer than the city centre during the afternoon.
How will the next 24 hours unfold?
The live forecast above indicates the current mild conditions will hold through sunset, then a cool southerly change arrives around dawn. Overnight lows should drop to the low single digits in Cairnlea’s open suburban blocks near Kororoit Creek. For a detailed hour-by-hour breakdown, check our Australia weather hub or specifically Melbourne weather pages.
Will Cairnlea get any rain tonight?
Unlikely before midnight, but a trough may produce a few light showers after 3 am. The chance is about 20%, so you can leave the umbrella at home if you’re only heading out this evening.
How does Cairnlea compare to nearby suburbs like Deer Park or Caroline Springs?
Very similar, as all sit on the same flat volcanic plain. Cairnlea can be slightly cooler at dawn due to its proximity to Kororoit Creek and open parkland. Daytime temperatures are usually within a degree of Melbourne weather readings.
What’s the wind outlook for Cairnlea this week?
Light north-westerly breezes today shift to a moderate southerly change by Wednesday morning. Gusts may reach 25 km/h, but no strong wind warnings are current. For real-time updates, see our severe weather warning page.