Weather World
City of St. Thomas, ONSt. Thomas, ON 7-Day Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
St. Thomas, ON Weather Forecast
St. Thomas, ON Weather Forecast Date: 1058 PM Thu Oct 08 2026 (St. Thomas Time)
Today Lo: 8°C47°F Hi: 19°C66°F |
Sunny Thursday, temperatures as high as 19°C66°F, low temperature around 8°C47°F, chance of rain 1%, wind out of the WNW 29 km/h18 mph. Barometric pressure 101.4 kPa29.94 in, visibility 10 km6 mi, humidity 37%. |
| Friday Lo: 6°C43°F Hi: 20°C67°F |
Sunny Friday, temperatures as high as 20°C67°F, low temperature around 6°C43°F, chance of rain 1%, wind out of the W 24 km/h15 mph. Barometric pressure 102.1 kPa30.15 in, visibility 10 km6 mi, humidity 31%. |
Saturday Lo: 8°C47°F Hi: 22°C71°F |
Overcast Saturday, temperatures as high as 22°C71°F, low temperature around 8°C47°F, chance of rain 11%, wind out of the SE 19 km/h12 mph. Barometric pressure 102.7 kPa30.33 in, visibility 10 km6 mi, humidity 47%. |
Sunday Lo: 13°C55°F Hi: 16°C61°F |
Chance of showers Sunday, temperatures as high as 16°C61°F, low temperature around 13°C55°F, chance of rain 42%, wind out of the SE 15 km/h9 mph. Barometric pressure 101.9 kPa30.09 in, visibility 10 km6 mi, humidity 96%. |
| Monday Lo: 14°C57°F Hi: 23°C73°F |
Sunny Monday, temperatures as high as 23°C73°F, low temperature around 14°C57°F, chance of rain 6%, wind out of the SW 4 km/h2 mph. Barometric pressure 101.4 kPa29.94 in, visibility 10 km6 mi, humidity 69%. |
| Tuesday Lo: 14°C57°F Hi: 27°C81°F |
Sunny Tuesday, temperatures as high as 27°C81°F, low temperature around 14°C57°F, chance of rain 2%, wind out of the SW 32 km/h20 mph. Barometric pressure 100.7 kPa29.74 in, visibility 10 km6 mi, humidity 51%. |
| Wednesday Lo: 8°C46°F Hi: 16°C62°F |
Sunny Wednesday, temperatures as high as 16°C62°F, low temperature around 8°C46°F, chance of rain 7%, wind out of the NNW 17 km/h11 mph. Barometric pressure 101.8 kPa30.06 in, visibility 10 km6 mi, humidity 58%. |
St. Thomas Radar Loop
Use the map search tool if you want to place a location marker on the radar map...