Perth swelters in 37.3C April scorcher, Pearce hits 39.4C Catch up with Channel 9's Sally Ayhan for local weather and a sneak peek into what to expect over the next 24 hours. AUTUMN HEAT: Perth's Indian summer continues with temperatures into the high 30Cs again today. THE temperature in Perth reached 37.3C today - one of the hottest April days on record for the metropolitan area. After an overnight low of 18.2C at 4.55am, the temperature soared into the 30s, well above the April average of 25.8C. The mercury peaked at 37.3C at 1pm, with most suburbs baking in similar mid-30C temperatures. Perth Airport recorded a top of 37.7C, just a fraction under the old 100 degrees Fahrenheit. Not for the first time this year, Perth was hotter than Marble Bar in the Pilbara, renowned as one of hottest towns in Australia, which today recorded a relatively mild 35.9C today. It is the hottest April day in the city since 2007, when 36C was recorded, and could be the hottest April day ever. Pearce, 45km inland, reached a staggering 39.4C, while Jandakot recorded 37C and Swanbourne peaked at 35.8C at 11.23am before a sea-breeze arrived to cool things down. Even in the South West temperatures were high, with Bridgetown recording a high of 34.7C. In the Great Southern, Wandering, 120km south-east of Perth, it reached 35.9C, while Lake Grace and Katanning shared tops of 34.7C.