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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Aussie Briefly Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
For Merrylands West in Sydney’s western suburbs, the live forecast above shows today’s conditions as a brisk southwesterly change brings a cooler, partly cloudy afternoon with a top around the forecast temperature. Expect light showers possible late, then clearing overnight.
What’s the outlook for the next week?
The week ahead for Merrylands West follows the pattern typical of late spring: a few showers on Wednesday as the front clears, then a building high pressure system delivers fine, warmer days from Thursday into the weekend. The 10-day view in the live forecast above captures that transition – look for a steady rise in daytime temperatures, though mornings stay crisp. For those checking the weather in merrylands 10 days, the middle of next week may return a weak trough bringing some cloud.
What about the 14-day and 30-day forecast?
At this range, signals are mixed. Ensemble models for the merrylands weather 14 day suggest a drier than average second week, while the merrylands weather 30 day forecast hints at a warmer November overall. Use the live charts above to track evolving trends – confidence is moderate beyond week two.
How accurate is the 14-day forecast for Merrylands West?
For a suburb inland of the coast, day-to-day accuracy drops after 7 days. The 14-day outlook gives a useful guide to trends – e.g., whether a heat event or cooler spell is likely – but check the 7-day forecast for finer details.
Why does the breeze pick up on summer afternoons here?
Merrylands West lies in the path of the seabreeze that funnels up from Botany Bay through the Cumberland Plain. On sunny days, the inland heat draws cooler air off the ocean, arriving by mid-afternoon and often dropping temperatures by 3–5°C.
When does the rain season peak in Merrylands West?
The suburb experiences a late summer–autumn rainfall peak, with February and March typically wettest. Thunderstorms are common in November and December too, brought by moist easterly flows and afternoon instability.
Sources
For more local forecasts, check our Sydney Weather page and the broader Australia weather hub. Stay informed about potential storms via the Severe Weather Warning feed.