Here’s a look at your weather forecast as we head into the weekend. CTV Meteorologist Gary Archibald says heading into the weekend, sunglasses and sunscreen will be needed outside. “We might just see 27 C or 28 C tomorrow, Saturday,” he said. “A mixture of sun and cloud. Sunday, about 26 C to 27 C in extreme southwestern Ontario. Increasing cloudiness, but the probabilities for rain … are less than 20 per cent.” Here’s a full look at your forecast: Friday night: Clear. Low 17 C. Saturday: A mix of sun and cloud, becoming cloudy in the morning. High 27 C, humidex 35 C. Saturday night: Cloudy periods with a 40 per cent chance of showers. Low 18 C. Sunday: A mix of sun and cloud with a 30 per cent chance of showers. High 24 C. Monday: A mix of sun and cloud. High 22 C.