Residents in Summerside, Prince Edward Island, should prepare for a week of changing weather conditions, including a brief warm spell and returning showers. According to Environment Canada, the city will experience a mix of sunshine and rain as temperatures fluctuate significantly through May 25, 2026.
Tuesday, May 19, brings a 60 percent chance of showers. While the high will reach 20 degrees Celsius, coastal areas will remain cooler at 12 degrees. Conditions are expected to become mainly cloudy this evening, with fog patches developing overnight and a low of 10 degrees.
Wednesday, May 20, will see a sharp rise in temperature to 25 degrees with a humidex of 30, though coastal regions will stay cooler at 18 degrees. The day will become windy, with southwest gusts reaching 40 kilometres per hour in the morning, and there remains a 30 percent chance of showers.
Cooler, more seasonable weather returns from Thursday through the weekend, with daily highs ranging from 12 to 16 degrees. Sunny weather is expected to return on Friday, May 22, followed by a mix of sun and cloud for the remainder of the weekend. These temperatures are closer to the typical May average for the area, which usually sees a daily high of 14 degrees and a low of 5 degrees.
