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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.
Check the live forecast above before heading out in Nirimba Fields today, as conditions across this western Sydney suburb can shift quickly with the nearby Hawkesbury and Nepean river systems influencing local humidity and cloud cover.
What’s the typical weather pattern for Nirimba Fields?
Nirimba Fields sits in Sydney’s north-west growth corridor, where summer afternoons often bring a sea-breeze change that drops temperatures by several degrees. Winters are cool and generally dry, with morning fog common in the low-lying areas near the Nepean River. The suburb’s inland position means it can be a few degrees warmer than the coast in summer and noticeably cooler on winter nights.
How does the local geography affect the forecast?
The nearby Hawkesbury-Nepean floodplain and the Cumberland Plain create a microclimate that traps heat in summer and can hold moisture longer after rain. This often leads to patchy fog in the early morning, especially from autumn through spring. The live forecast above will show you if a south-easterly change is due, which can bring a rapid drop in temperature and a shift in wind direction.
Does Nirimba Fields get much rain?
Annual rainfall averages about 800–900 millimetres, with most falling in late summer and early autumn. Thunderstorms are common from November to March, often bringing heavy downpours and localised flash flooding.
Is it windier than other parts of Sydney?
Not generally, but the open farmland to the north-west can funnel stronger westerly winds in winter and spring. The live forecast above will show any wind warnings for the area.
When is the best time to visit Nirimba Fields?
Spring (September to November) offers mild days and lower humidity, making it ideal for outdoor activities. Autumn is also pleasant, with clear skies and cooler evenings.
For broader conditions across the state, check our Australia weather hub or the Sydney Weather page. If storms are forecast, see the Severe Weather Warning page.