Residents of St. Thomas can look forward to a week of mild spring temperatures, as the city transitions away from a notably cold and snowy winter season. According to Environment Canada, local temperatures will range between 6°C and 16°C throughout this week, which is warmer than the seasonal average for early April.
Current observations at the London International Airport weather station show partly cloudy conditions with 24 kilometres of visibility. No weather alerts or hazardous conditions are currently in effect for St. Thomas or the surrounding Elgin County region.
The weather is expected to remain variable over the coming days. Thursday, April 9, and Friday, April 10, will bring gusty southwest winds reaching up to 50 km/h, with a 40% chance of showers and a risk of thunderstorms. Temperatures are expected to drop near the freezing mark overnight on Friday.
Saturday, April 11, will offer a brief stretch of sunny skies with a high of 10°C, followed by a return of clouds and showers on Sunday and Monday. The unsettled pattern continues into mid-week, with a 60% chance of rain anticipated for Tuesday, April 14.
This mild outlook is a shift from the winter months of 2025-2026. Environment Canada meteorologist Geoff Coulson confirmed that the region experienced a winter that was both colder and snowier than normal. By comparison, historical climate data indicates that the average high for April in St. Thomas is typically 12.6°C, with an average low of 1.9°C.
Updates on local weather conditions are also tracked by The Weather Network.
