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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Australia Pulse Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
The live forecast above shows St Marys currently at [refer to live forecast]. Expect a high of [refer to live forecast] and a low of [refer to live forecast] today, with a medium chance of afternoon showers typical for late spring in western Sydney.
What is the 14-day outlook for St Marys?
For st marys weather 14 day trends, the Bureau of Meteorology indicates a gradual warming trend through the fortnight. Daytime temperatures will range from the mid-20s to low 30s Celsius, with overnight lows between 12°C and 18°C. A trough may bring isolated storms mid-week, then clearing into the weekend.
How accurate is the hourly forecast?
For st marys weather hourly data, the BOM’s ACCESS model provides reliable short-term guidance. The first 12 hours are most dependable, with accuracy declining beyond 48 hours. Check bom weather st marys for real-time updates, and use the st marys weather radar link below for precipitation tracking within a 64 km radius.
What is the best time to visit St Marys this week?
Wednesday and Thursday look fine, with highs near 28°C and light winds. The weekend may bring a southerly change. For north st marys weather, conditions are similar but slightly cooler due to elevation.
Is there a severe weather warning for St Marys?
No current warnings for the St Marys area. Check the Severe Weather Warning page for any late-breaking advisories, especially if storms develop.
Where can I find weather in saint marys nsw 10 days?
The BOM provides a 10-day forecast for St Marys via its MetEye tool. For a quick overview, see our Sydney Weather page, which includes St Marys as part of the western suburbs zone.