Residents of Collingwood can expect a week of mild but unsettled weather as temperatures remain slightly below seasonal norms. According to Environment Canada, local temperatures will range between 8°C and 13°C through May 10, 2026, with a mix of clouds and intermittent showers throughout the week.
The forecast indicates that Tuesday, May 5, and Friday, May 8, carry a 60 percent chance of rain, making them the wettest days in the current outlook. Residents looking for clear skies for outdoor plans can look toward Thursday, May 7, which is expected to be the only fully sunny day of the week. While the area is currently seeing some mild conditions, there are no weather alerts in effect for the region.
Current temperatures are running below the typical May values of 17°C for highs and 4°C for lows. Forecasted overnight temperatures throughout the week are expected to settle between 1°C and 3°C. For those planning activities near the water, please note that conditions remain cool, as water temperatures in Nottawasaga Bay are currently around 2°C, which is not yet suitable for swimming.
Additional information regarding long-term temperature trends can be found through AccuWeather, which notes that while May can feature significant temperature fluctuations, current conditions reflect a cooler-than-average start to the month.