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Cornwall, ON Weather Forecast
Cornwall, ON Weather Forecast Date: 239 PM Tue Oct 06 2026 (Cornwall Time)
Today Lo: 2°C36°F Hi: 12°C53°F |
Sunny Tuesday, temperatures as high as 12°C53°F, low temperature around 2°C36°F, chance of rain 2%, wind out of the WNW 18 km/h11 mph. Barometric pressure 101.9 kPa30.09 in, visibility 10 km6 mi, humidity 44%. |
Wednesday Lo: 4°C39°F Hi: 18°C64°F |
Chance of showers Wednesday, temperatures as high as 18°C64°F, low temperature around 4°C39°F, chance of rain 11%, wind out of the SW 23 km/h15 mph. Barometric pressure 100.8 kPa29.77 in, visibility 10 km6 mi, humidity 44%. |
| Thursday Lo: 9°C48°F Hi: 17°C63°F |
Sunny Thursday, temperatures as high as 17°C63°F, low temperature around 9°C48°F, chance of rain 3%, wind out of the W 24 km/h15 mph. Barometric pressure 100.9 kPa29.8 in, visibility 10 km6 mi, humidity 55%. |
Friday Lo: 5°C40°F Hi: 12°C54°F |
Partly Cloudy Friday, temperatures as high as 12°C54°F, low temperature around 5°C40°F, chance of rain 7%, wind out of the WNW 23 km/h14 mph. Barometric pressure 102.1 kPa30.15 in, visibility 10 km6 mi, humidity 49%. |
| Saturday Lo: 7°C44°F Hi: 18°C64°F |
Partly Cloudy Saturday, temperatures as high as 18°C64°F, low temperature around 7°C44°F, chance of rain 6%, wind out of the SW 11 km/h7 mph. Barometric pressure 102.8 kPa30.36 in, visibility 10 km6 mi, humidity 55%. |
Sunday Lo: 11°C52°F Hi: 23°C74°F |
Overcast Sunday, temperatures as high as 23°C74°F, low temperature around 11°C52°F, chance of rain 13%, wind out of the SW 25 km/h15 mph. Barometric pressure 101.9 kPa30.09 in, visibility 10 km6 mi, humidity 55%. |
| Monday Lo: 8°C47°F Hi: 20°C67°F |
Chance of showers Monday, temperatures as high as 20°C67°F, low temperature around 8°C47°F, chance of rain 20%, wind out of the SW 13 km/h8 mph. Barometric pressure 101.1 kPa29.85 in, visibility 10 km6 mi, humidity 77%. |
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