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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Oz Insight Lab Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Based on the live forecast above, Narellan is experiencing typical conditions for this time of year. For travellers, the best months are spring (September–November) and autumn (March–May), when temperatures are mild and rainfall is lower than in summer.
What is the best time to visit Narellan?
Spring and autumn offer the most comfortable weather for outdoor activities, with daytime highs around 20–25°C. Summer (December–February) can be hot and humid, with occasional afternoon storms, while winter (June–August) brings cool nights and clear, crisp days. School-holiday travellers often prefer the Easter break or the September–October period for reliable conditions.
What should you pack for Narellan weather?
Pack layers year-round. In summer, light clothing, a hat, and a rain jacket cover the heat and sudden storms. Winter needs a warm jacket and sturdy shoes for frosty mornings. A compact umbrella is useful any month; check the severe weather warning page before travelling during storm season.
Does Narellan get frost in winter?
Yes – clear winter nights can bring light frost in low-lying parts of Narellan. Early-morning travellers should allow extra time for icy roads and keep a warm jacket handy.
How reliable is the Narellan weather radar?
The nearest weather radar is at Sydney (Terrey Hills). It provides good coverage for Narellan, showing approaching rain and storms. For detailed tracking, visit the Sydney Weather page and select the radar layer.
Where can I find a 10-day or 14-day forecast for Narellan?
Use the Bureau of Meteorology for official forecasts (weather in narellan 10 days) or check Elders and WillyWeather for extended outlooks. The narellan weather 14 day forecast is most reliable when sourced from reputable sites rather than aggregators.