Skies will become partly cloudy Thursday night as high pressure from northern Ontario moves into the region. London will drop to 12 C overnight, while temperatures along the Lake Huron shoreline will remain around 15 C and reach 14 to 16 C near Lake Erie. As we head into the weekend however, the chance for showers increases. “We have some rain in the forecast for Saturday and Sunday, it looks like it won’t arrive until Saturday late afternoon, early evening,” said Atchison. “Then we’ll be into the official start to fall with fall officially arriving on Monday.” Here’s a look at the rest of the forecast Thursday: Cloudy. 40 percent chance of showers near noon. High 23. Humidex 28. UV index 5 or moderate. Thursday night: Cloudy. Clearing after midnight. Low 12. Friday: A mix of sun and cloud. High 22. Humidex 25. UV index 7 or high. Saturday: Cloudy with 60 percent chance of showers. High 19. Sunday: Cloudy with 70 percent chance of showers. High 20. Monday: A mix of sun and cloud. High 17.
