It’s going to be a sunny, warm weekend, according to meteorologist Gary Archibald. Friday saw seasonal highs of 22 to 23 C in and around London. “Those daily maximums and minimums start to diminish a fraction of a degree each day,” he said. “Yes, it is getting cooler as summer starts to wind down. We’re seeing the influence of northwesterly winds in the mid to upper levels of the atmosphere.” There is a possibility for showers over the weekend in the region. Here’s a full look at your forecast: Friday night: Partly cloudy. Low 11 C. Saturday: Mainly sunny. Wind becoming southwest 20 km/h in the morning. High 28 C, humidex 32 C. UV index 7 or high. Saturday night: Cloudy with a 40 per cent chance of showers. Low 19 C. Sunday: A mix of sun and cloud. High 27 C. Monday: A mix of sun and cloud with a 40 per cent chance of showers. High 29 C.