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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 ·
Kurnell’s weather today is typical for a coastal Sydney suburb – the live forecast above shows the current conditions, and the key takeaway is that sea breezes keep it cooler than inland spots, especially in summer.
What’s the best time to visit?
For beachgoers, late spring (November) and autumn (March–April) are ideal: water temperatures are pleasant, humidity is lower and crowds thin out. Summer (December–February) brings warm days but also the chance of afternoon southerly busters – sudden cool changes that can catch swimmers off guard. Winter (June–August) is mild and often sunny, perfect for coastal walks but too cool for a long swim without a wetsuit.
What should you pack?
Pack layers year-round. Even in summer, a light jacket is useful for evening breezes. Sun protection is essential – hat, sunscreen and a rashie. In winter, a windproof jacket handles the southerlies. Check the kurnell tides if you plan to fish or explore rock platforms, and look at kurnell weather hourly for the best window to hit kurnell beach.
Is Kurnell windier than other Sydney beaches?
Yes – Kurnell sits on the Botany Bay headland, so it catches both the prevailing north-easterlies and the southerly busters. Wind speeds often exceed 20–30 km/h in the afternoon. Check the kurnell weather radar before heading out.
How accurate is the weather in Kurnell 10-day forecast?
The Bureau of Meteorology’s 10-day outlook is a broad guide – coastal microclimates can shift quickly. For planning a beach day, rely on the 3–5 day forecast combined with radar and tide tables.
Does Kurnell get fog?
Occasionally in winter, sea fog rolls in from Botany Bay, reducing visibility to under 100 metres. It usually clears by mid-morning as the sun warms the land.
For a broader picture, see Sydney weather or check the Australian weather hub. Always confirm local conditions before you travel.