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Australian winter weather outlook (late July‑early August)

Updated 3 times since CLSTR started tracking revisions of this situation.

What changed

2026-08-07 04:13 UTC → 2026-08-09 08:42 UTC · added removed

Late July forecasts warned of contrasting conditions in southern Australia, with Adelaide expecting a cold, unsettled spell and Perth a brief sunny period before a cold front. By early August the Bureau of Meteorology projected renewed rain and cooler temperatures for both cities. Subsequent updates confirmed this pattern. A 22 July outlook kept Adelaide in a chilly, wet stretch – lows around 7 °C and highs 14‑16 14-16 °C, with the wettest day on Saturday and up to 8 mm of rain – while Perth enjoyed four dry days with temperatures rising from 18 °C to 20 °C before a Sunday cold front brought showers and cooler 18 °C conditions. A 26 July bulletin noted that after a wet Sunday, Perth would experience a dry, sunny week with highs climbing to 22 °C mid‑week, mid-week, before a Friday front re‑introduces re-introduces showers of 10‑20 10-20 mm and a slight temperature dip over the weekend. On 5 August a powerful cold front swept across southern and eastern Australia, delivering 30‑40 30-40 mm of rain, hail, snow in the Alps and Stirling Ranges, and strong winds, raising flood concerns in river basins such as the Wimmera and Mallee. Adelaide’s forecast turned even wetter and windier, with showers building into the weekend and a possible thunderstorm on Sunday. Following these events, Perth experienced a severe storm system on Saturday, August 8, characterized by thunderstorms, hail, and up to 20mm of rain. The series Bureau of forecasts underscores Meteorology issued a prolonged period gale marine wind warning during the event. While Sunday provided a brief reprieve with a maximum of unsettled winter weather across southern Australia, marked by alternating dry spells 17°C, a moderate cold front is expected to bring showers on Monday, marking the wettest and intense rain‑storm events. windiest day of the work week. Conditions are projected to improve gradually from Tuesday, with warmer temperatures expected by the weekend.

Versions

  1. 2026-08-09 08:42 UTC Australian winter weather outlook (late July‑early August)
  2. 2026-08-07 04:13 UTC Australian winter weather outlook (late July‑early August)
  3. 2026-08-02 21:32 UTC Australian winter weather outlook (early August)
  4. 2026-07-26 12:10 UTC Australian winter weather outlook

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