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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Aussie Insightly Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
If you are planning ahead for Sydney, keep an eye on the live forecast above for the next month, as coastal troughs and inland heat can shift conditions quickly, especially around the harbour and suburbs near Botany Bay.
What will the next 30 days bring for Sydney?
The extended outlook for the Sydney basin shows a typical mix of late-summer patterns, with a few southerly busters likely to drop temperatures along the coast. The live forecast above provides a day-by-day guide, but for a broader view, the 14 day weather forecast sydney and 21 day weather forecast sydney pages offer more detail on those mid-range shifts. Inland suburbs like Penrith and Campbelltown often run a few degrees warmer, while the eastern suburbs near Bondi and Coogee stay milder thanks to the sea breeze.
How reliable is a 30-day outlook?
Long-range forecasts become less certain after two weeks, so the sydney weather 28 day forecast and 15 day sydney weather forecast 14 days are best used as trend indicators rather than exact predictions. The Bureau of Meteorology’s sydney weather 28 day forecast bom data is a solid starting point, but check the live forecast above for the most current updates, especially if you are planning outdoor events or travel across the city.
Does the 30-day forecast include storm warnings?
No, it shows general trends only. For urgent updates, check the Severe Weather Warning page or the live forecast above for any immediate alerts.
How does Sydney’s 30-day outlook compare to other capitals?
Sydney’s coastal position means it rarely sees the extreme inland heat of Perth Weather or the dry conditions of Adelaide Weather, but it can get humid when northerly winds arrive.
Where can I see the 28-day forecast for Sydney?
The live forecast above includes a 30-day view, and the Sydney Weather page has links to the sydney weather 28 day forecast and other extended outlooks from trusted sources like the Bureau of Meteorology.