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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 ·
Sefton is seeing conditions in line with the live forecast above — typical for this time of year in Sydney’s inner-south-west. The suburb, tucked between the Georges River and Bankstown, is currently under the influence of a coastal trough, bringing moderate south-easterlies and a chance of passing showers into the afternoon.
What is driving Sefton’s weather today?
A trough lingering over the Illawarra and Sydney basin is drawing moisture inland, keeping skies mostly cloudy over Sefton. The breeze off Botany Bay and the Cooks River corridor is moderating temperatures. If you need to plan outdoor jobs, check the severe weather warning page for any updates. For live tracking, the sefton weather radar on the Bureau’s site shows the band of light rain moving north-east.
How will conditions change this week?
High pressure is expected to build from the Bight by Thursday, clearing the cloud and lifting daytime highs. Overnight lows will remain mild — typical for Sefton’s location away from the coast. For a detailed breakdown, review the sefton weather hourly updates on the live forecast. The sefton weather tomorrow outlook points to a mostly sunny day with lighter winds.
Does Sefton experience fog in winter?
Yes, especially on clear, calm mornings the low-lying areas near the Georges River can develop patchy fog that lifts by mid-morning. It rarely disrupts transport but drivers should allow extra time.
How do I get the most accurate sefton weather radar?
The Bureau of Meteorology’s Terrey Hills radar covers the Sydney basin, including Sefton. For real-time precipitation tracking, select the 64 km range loop. It updates every six minutes.
Is Sefton prone to heatwaves?
Yes, north-west winds can push temperatures above 40°C during summer. Check the live forecast above for extreme heat warnings, and follow advice from NSW Health.
Sources
For the broader picture, visit our Sydney weather page or the Australia weather hub for state-wide conditions. The sydney weather summary also includes Sefton’s outlook.