Southeast Australia's Wet Week: Autumn Storms and Cooler Temperatures (2026)

Southeast Australia is bracing for a week of rain as autumnal conditions take hold, bringing a welcome change to the region's recent dry spell. The Bureau of Meteorology (BOM) predicts a deep low-pressure system and a cold front will move across the southeast, causing thunderstorms, heavy rain, and strong winds over the weekend. This weather system is expected to linger, bringing downpours to Melbourne, Adelaide, and Hobart throughout the week. The BOM's Christie Johnson warns of the potential for abnormally high tides and the risk of storms extending across South Australia, New South Wales, and Victoria. The system will also bring some relief to the dry conditions in NSW and Victoria, as well as generating swells along the coastlines as it enters the Bass Strait. As the cold front follows the low-pressure system, temperatures are expected to drop, with overnight minimum temperatures potentially reaching the low 20s in some areas, and maximum temperatures in the mid-30s. This sudden shift in weather will feel particularly cool after the region's recent warm temperatures, and could even break May temperature records. While this weather system is a welcome change, it also highlights the unpredictability of autumn in Australia, where the transition from summer to winter can be swift and dramatic. The BOM's predictions underscore the importance of staying informed about weather conditions, especially during periods of rapid change, to ensure the safety and well-being of communities across the region.

Southeast Australia's Wet Week: Autumn Storms and Cooler Temperatures (2026)

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