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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Coast Pulse Hub Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Ermington currently experiences conditions shown in the live forecast above, typical of western Sydney’s mild climate with warm summers and cool winters. This inland suburb, just west of the Parramatta River, often feels a few degrees warmer than coastal suburbs due to its distance from the sea breeze.
What defines Ermington’s weather pattern?
Ermington sits in the Cumberland Plain, about 12 kilometres west of the Sydney CBD, giving it a slightly more continental feel than weather sydney near the coast. Summers are warm to hot, while winters are cool with morning fog common.
- Summer (Dec–Feb): average maximum around 28°C, with occasional heatwaves exceeding 38°C
- Winter (Jun–Aug): overnight lows near 6°C, afternoon highs around 17°C
- Rainfall: annual average about 900 mm, wettest months being March and June
- Microclimate: less wind than exposed coastal suburbs, but stronger north-westerlies before storms
How do seasonal changes affect your plans?
Autumn and spring offer the most pleasant conditions for outdoor activities, with mild temperatures and lower humidity. For the latest trend, check the ermington weather 14 days outlook above; for hour-by-hour details, the ermington weather hourly panel in the live forecast is useful.
- Morning fog lifts by mid-morning, especially in winter – allow extra travel time
- Summer afternoon storms can develop quickly; the ermington weather radar on BOM shows real-time cells
- Penrith weather is typically 2–3°C hotter than Ermington in summer; while Rydalmere weather is similar due to proximity
- Unlike Melbourne weather which is highly variable, Ermington’s pattern is more predictable, with consistent seasonal shifts
Does Ermington get strong winds?
Winds are generally lighter than along the coast, but north-westerlies can pick up before a front, gusting to 40–50 km/h. Check the live forecast above for current wind speeds and the severe weather warning page during storms.
How accurate are long-range forecasts for Ermington?
Seven-day forecasts from the Bureau of Meteorology have good reliability; 14-day outlooks are useful for trends but can shift. Always compare with the live forecast above for updated confidence.