Summerside, PEI, will see warm and sunny weather to start the week, according to Environment Canada. Monday is sunny with a high of 24°C and a humidex of 27, while Tuesday reaches 27°C with a humidex of 31.
The UV index is rated 7, or high, so anyone spending time outside should wear sunscreen and protective clothing. As of 3:00 PM Monday, the temperature was already 24.6°C with humidity at 47% and west-northwest winds at 20 km/h.
Overnight lows through the week will be comfortable, starting at 15°C Monday night and reaching 18°C by Thursday night. No weather alerts are in effect for the region.
Conditions begin to shift mid-week, with a mix of sun and cloud. By Friday, there is a 60% chance of showers and a high of 24°C. This change arrives just ahead of the Summerside Lobster Carnival, which runs July 15 to 18, and the recently concluded Arts Fest 2026.
Residents can enjoy the sunny weather through Thursday, but should keep an eye on the forecast for possible weekend rain.