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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Australia Current Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Narellan’s weather today is mild with a mix of sun and cloud, as shown in the live forecast above. Expect a typical late-autumn day after a cooler start, with light winds and little chance of rain.
What drives Narellan’s weather?
Narellan sits on the southwestern edge of the Sydney basin, where prevailing westerlies often bring drier air from inland. In summer, afternoon sea breezes from Botany Bay can moderate temperatures, but the area still sees hot spells when the wind turns north-westerly. Winter mornings are crisp and frost is possible in the surrounding farmland, especially after clear nights. Rain is fairly spread through the year, though autumn and spring tend to be the wettest.
How reliable is the Narellan weather radar?
The nearest Bureau of Meteorology radar is at Terrey Hills, which covers Narellan well for broad rain bands. For finer local detail, the narellan weather radar products available through weatherzone.com.au and willyweather narellan provide complementary loops. These can help you track showers approaching from the ranges or across the Cumberland Plain.
Is Narellan prone to severe weather?
Heatwaves and dry lightning are the main risks in summer. Severe storms can bring hail and damaging winds, especially when a southerly change meets the inland heat. For current alerts, check our severe weather warning page.
Where can I find a weather in Narellan 10 days forecast?
Forecasts beyond a week are less reliable, but you can get a weather in narellan 10 days outlook from the BOM or Weatherzone. For planning, the narellan weather 14 day forecast from Elders gives a broad trend rather than exact temperatures.
How does Narellan compare to nearby Sydney weather?
Narellan is generally 2–3 °C cooler than coastal Sydney weather in summer due to its inland position, but winters are noticeably colder, with more frost. Rainfall is lower than the city’s east.