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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Southern Monitor Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Deagon is currently experiencing the conditions shown in the live forecast above. This Brisbane suburb sits near the coast, so its weather is shaped by the bay breeze and the surrounding Moreton Bay region.
What is the typical weather pattern for Deagon?
Deagon has a subtropical climate with warm, humid summers and mild, dry winters. Summer temperatures often reach the low 30s Celsius, with afternoon storms common. Winter days are pleasant, with highs around 20–22°C and cool nights. The bay breeze can drop temperatures by a few degrees in the afternoon, especially from spring through autumn.
How does the local geography affect Deagon weather?
Deagon sits near the coast and the Gateway Motorway corridor. This means sea breezes from Moreton Bay can bring sudden cool changes, particularly in the afternoon. The suburb is also close to the Brisbane River delta, which can enhance local humidity. For real-time conditions, check the Brisbane weather page or the BOM radar Brisbane loop for nearby rain bands.
What is the best time to visit Deagon for good weather?
Late autumn (April–May) and early spring (September–October) offer mild temperatures, lower humidity, and less rain. Summer can be hot and stormy; winter is dry but cooler at night.
Is Deagon prone to flooding?
Deagon is relatively low-lying near the coast but not directly on a major river. Heavy rain from east-coast lows can cause localised flash flooding, especially near Kedron Brook. Check severe weather warnings during storm season.
How does Deagon weather compare to Sandgate?
Deagon and Sandgate weather are very similar, as they are neighbouring suburbs. Sandgate is closer to the bay, so it may get stronger sea breezes and slightly cooler summer afternoons than inland Deagon.
For broader conditions, see the Australia weather hub or check Melbourne weather and Sydney weather for interstate comparisons.