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Sydney and parts of NSW swelter through temperatures in the 30s before plummeting 10C within hours

Temperatures in Sydney’s outer west peaked at 35C and 32C in the city on Monday before a cool change from the south-east Sydney and parts of New South Wales have sweltered through an “unseasonably warm” weekend, with temperatures climbing more than 10C above the September average, before a cool change swept much of the coast on Monday. The early burst of heat, part of a classic “ spring…

Sydney and parts of NSW swelter through temperatures in the 30s before plummeting 10C within hours

Sydney and portions of New South Wales experienced scorching temperatures in the 30s Celsius on Monday before a rapid cooling trend unfolded within hours. The outer west of Sydney hit 35.4C in Richmond and 35C in Penrith as a wave of heat swept across southeastern Australia over the weekend. As the peak of the heat arrived in Sydney on Monday, the city itself peaked at 32.7C at Sydney Observatory Hill, only to plummet by roughly 10C within a short span of time.

This unseasonably warm weather pattern, part of a typical "spring rollercoaster," saw temperatures in the region surpass the September average by 6C to 12C, with some areas seeing a rise of over 10C. Authorities issued elevated fire danger warnings, particularly for the Greater Hunter, northern eastern parts, and northern inland regions due to the hot, dry, and windy conditions.

However, a southerly shift brought cooler, wetter weather for the days ahead, with Sydneysiders anticipating cooler temperatures hovering in the high teens for the next few days, alongside cloudy skies and light showers. The Bureau of Meteorology expects fire danger to lessen for most of the state starting Tuesday, following the arrival of the cool change.

Australia is currently grappling with the effects of a developing strong El Niño in the Pacific Ocean, expected to hit peak levels above the warmest observed since 1950 by late spring or summer, potentially setting the stage for record-breaking temperatures by 2027.

Written by urgent.news from The Guardian's reporting — not their text. Machine-written — may contain errors; check the original before relying on it.

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