Residents in Guelph, Ontario, should prepare for a week of variable weather as cool temperatures and showers transition into a significantly warmer pattern.
According to Environment Canada, there are no active weather alerts in effect for the area as of Wednesday, May 13, 2026. Current conditions observed at the Guelph Turfgrass Institute show temperatures at 8.7°C with breezy conditions.
The forecast for the remainder of the week indicates a mix of conditions. Thursday, May 14, will remain cool with a high of 12°C and a 40 percent chance of showers during the morning. Starting Friday, May 15, the weather is expected to clear up, bringing sunny skies and a gradual increase in temperature. Residents can look forward to warmer days with highs of 20°C on Friday, 24°C on Saturday, 25°C on Sunday, and up to 29°C by Monday, May 18.
These upcoming temperatures will be warmer than the historical climate normals for Guelph, which typically see a maximum of 19°C in May. While some seasonal forecasts, such as those from The Old Farmer’s Almanac, had predicted a cooler-than-average month for Southern Ontario, the current outlook shows a shift toward warmer conditions as the week progresses.
As of Wednesday, The Weather Network also confirms that no weather alerts are in effect for the city. Residents are encouraged to keep an umbrella handy for the damp start to the week while preparing for the arrival of warmer, late-spring temperatures.
