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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Coast Brief Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Cooranbong’s weather today is mild and partly cloudy, with the live forecast above showing a light south-easterly breeze — expect a comfortable afternoon before a cooler evening sets in.
What’s the outlook for the next few days?
Conditions remain settled through midweek, with the chance of a brief coastal shower on Thursday. Daytime highs hover near the low 20s, while overnight lows drop to around 10–12°C — typical for this time of year in the Lake Macquarie region.
How does Cooranbong’s location affect its weather?
Nestled between the Watagan Mountains and Lake Macquarie, Cooranbong often sees a slight temperature lag compared to the coast. Morning fog can linger in the valley during cooler months, and afternoon sea breezes arrive from the east, moderating summer heat.
Is Cooranbong usually warmer or cooler than Sydney?
Generally a degree or two cooler than inland parts of Sydney, but similar to the coastal suburbs. The lake and nearby forests keep it more temperate than western Sydney on hot days.
When should I check the Cooranbong weather radar?
If you’re planning outdoor time around Lake Macquarie or the Watagans, the radar is most useful in spring and summer when afternoon storms can develop quickly. The Bureau of Meteorology’s Newcastle radar covers the area well.
Does Cooranbong get much fog in winter?
Yes — particularly from May to August, when calm nights and moist air settle in the valley. The fog usually lifts by mid-morning, but can delay visibility on the M1 Pacific Motorway near the turn-off.
For broader coverage, check Australia weather, Sydney weather, or nearby Gosford weather for regional comparisons. For a longer look ahead, see the Cooranbong weather 14 day forecast — though short-term updates from the live forecast above are most reliable.