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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Aussie Focus Hub Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
The live forecast above shows current conditions for Cheltenham NSW, a suburb in Sydney’s northern suburbs. Expect a mild-temperate climate with warm summers, cool winters, and moderate rainfall spread fairly evenly through the year.
What is the typical weather pattern for Cheltenham NSW?
Summer brings warm, occasionally humid days, while winter is cool with clear spells and occasional chilly nights. Spring and autumn offer mild, stable conditions.
- Summer (Dec–Feb): warm days, afternoon sea breezes, occasional thunderstorms
- Autumn (Mar–May): mild days, crisp mornings, low humidity
- Winter (Jun–Aug): cool, maximums often near 16–18°C, frost rare in the suburban area
- Spring (Sep–Nov): warming trend, increasing afternoon showers
What should you know about Cheltenham’s weather risks?
Severe storms and occasional east coast lows can bring heavy rain and gusty winds, particularly in late summer and autumn. Heatwaves are less common than inland Sydney but can occur during prolonged northerly winds.
- Check severe weather warnings during storm season (Oct–Mar)
- Bushfire risk is low in the immediate suburb but nearby bushland can be a concern on extreme fire-danger days
- Coastal fog may affect morning visibility in winter
Does Cheltenham NSW get a lot of rain?
Annual rainfall is around 900–1100 mm, spread across the year with a slight peak in autumn and early summer. Heavy downpours from east coast lows can occur, but prolonged dry spells are also possible.
How does Cheltenham NSW compare to Cheltenham VIC?
The Cheltenham in Victoria is a coastal suburb of Melbourne, with a cooler, more temperate climate due to its position on Port Phillip Bay. In contrast, weather Cheltenham NSW is milder and less windy overall. For weather in Cheltenham Victoria 10 days, refer to BOM’s Victorian forecasts, and see our Melbourne weather page for broader comparisons.
What is the best time to visit Cheltenham NSW?
Spring (September–November) and autumn (March–May) offer the most comfortable weather: mild days, low humidity, and fewer storms. Summer can be warm but pleasant near the coast, while winter is cool but manageable for outdoor activities.