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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 ·
Before you head out in Oyster Bay today, check the live forecast above for the latest temperature and conditions — Sydney’s coastal suburbs often see a sea breeze shift through the afternoon, so expect a cooler change near the water.
What’s driving Oyster Bay’s weather right now?
Oyster Bay sits on the Georges River in southern Sydney, so its weather is heavily influenced by the nearby coast. The live forecast above reflects the current influence of a high-pressure system settling over the Tasman Sea, keeping conditions mostly fine with a light afternoon easterly. If you’re planning outdoor activities, note that humidity tends to build before a change arrives — something to watch when you check the oyster bay weather hourly breakdown.
For broader context across the region, keeping an eye on Sydney weather and Wollongong weather can help you anticipate how systems move down the coast.
How does the 14-day outlook look for Oyster Bay?
The oyster bay weather 14 day forecast from the Bureau of Meteorology suggests a mild start to the week, with daytime highs near 26°C inland and 23°C right on the river. Later in the fortnight, a trough may bring a few showers — typical for late spring. For real-time tracking, the oyster bay weather radar at Terrey Hills shows approaching bands well before they reach the bay.
Those heading inland might also check Canberra weather for a sharper contrast, while coastal users should be alert to any severe weather warnings if a low-pressure system develops.
Does Oyster Bay get foggy in winter?
Yes, especially on calm mornings when cool air settles over the Georges River. The fog usually burns off by mid-morning, but it can delay boating plans. Check the oyster bay weather hourly visibility data before you launch.
Is the weather in Oyster Bay very different from Sydney CBD?
Slightly — the bay is about 5°C cooler on summer afternoons thanks to the sea breeze and river. In winter, it can be a degree or two colder overnight because of the open water and less urban heat. That’s why local forecasts matter more than a general Australia weather hub.
What’s the best time of year to visit Oyster Bay?
Late spring (November) and early autumn (March) offer the most comfortable conditions — warm days, low humidity, and light winds. The oyster bay weather 14 day forecast can help you pick a fine window for picnics by the river or kayaking.