Home › Weather › Weather Hornsby Nsw
Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Coast Pulse Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Hornsby, in Sydney’s northern suburbs, enjoys a temperate climate with warm summers and mild winters. The best months to visit are March–May and September–November, when humidity is lower and outdoor activities are most comfortable. The live forecast above shows current conditions for Hornsby.
When is the best time to visit Hornsby?
Autumn (March–May) offers pleasant days around 22–25°C and low humidity, ideal for walking in Hornsby Ku-ring-gai National Park. Spring (September–November) is similarly mild, with blooming gardens and fewer rain days. Summer (December–February) can be hot and humid, with afternoon storms, while winter (June–August) is cool and crisp, with overnight lows around 5–8°C. For school holidays, late April and late September are sweet spots; winter escapes work well if you pack layers.
What should I pack for Hornsby?
In summer bring light cotton clothing, a hat, sunscreen, and a rain jacket for sudden storms. In winter pack a warm jacket, long trousers, and closed shoes; mornings can be quite chilly. Year-round, comfortable walking shoes are a must for exploring bushland trails. Check the weather in Hornsby tomorrow if you’re planning a short trip—conditions can change quickly in spring.
Does it snow in Hornsby?
Snow is extremely rare in Hornsby. Frost can occur on winter mornings, but snowfall is limited to higher parts of the Blue Mountains, about 90 minutes west. Hornsby’s winter weather is cool and damp, not snowy.
How reliable are 14-day forecasts for Hornsby?
Long-range forecasts, like the Hornsby weather 14 day outlook, give a general trend but become less accurate after about 7 days. For trip planning, trust the 7-day Bureau of Meteorology forecast and check the Sydney Weather page for updates.
What’s the best way to check the weather in Hornsby 10 days?
Use the Bureau of Meteorology’s 7-day forecast for Hornsby, then supplement with a reliable 10-day model from WeatherZone. The weather in Hornsby 10 days out is useful for broad patterns, not precise hourly conditions.
For more seasonal advice and the Australia weather hub, or if you’re heading south, check Melbourne Weather. Keep an eye on the Severe Weather Warning page during summer storms. For longer planning, the Hornsby weather 30 day forecast can show climate trends, but stick with short-term models for accuracy.