Cornwall, ON 14 Day Weather - WeatherWorld.com
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Cornwall, ON Weather Forecast


Cornwall, ON Weather Forecast Dated: 933 AM Tue Oct 06 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Tuesday, October 6, 2026
Mid-Morning
5°C 40°F
Sunny
Mid-Afternoon
12°C 53°F
Sunny
Early-Evening
7°C 46°F
Sunny
Brisk around 12°C 53°F, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the W to the SSW at 11 km/h 7 mph.
Wednesday, October 7, 2026
Mid-Morning
12°C 53°F
Overcast
Mid-Afternoon
16°C 61°F
Scattered Showers
Early-Evening
14°C 56°F
Light Showers
Mildly cool near 16°C 61°F, scattered downpours possible, with increasing humidity and barometric pressure falling. Winds blowing from the SW at 21 km/h 13 mph. Gusts up to 50 km/h 31 mph.
Thursday, October 8, 2026
Mid-Morning
12°C 53°F
Sunny
Mid-Afternoon
16°C 61°F
Overcast
Early-Evening
12°C 53°F
Light Showers
Comfortable at 16°C 61°F, dry most of the day, with showers developing late, with lower humidity and steady pressure. Winds moving from the SW to the W at 14 km/h 8 mph. Gusts up to 34 km/h 21 mph.
Friday, October 9, 2026
Mid-Morning
8°C 47°F
Cloudy
Mid-Afternoon
12°C 53°F
Cloudy
Early-Evening
7°C 44°F
Sunny
Crisp with a high near 12°C 53°F, overcast in the morning, becoming cloudy through the afternoon and evening, with lower humidity and barometric pressure rising. Winds swinging from the WNW to the NNE at 6 km/h 4 mph.
Saturday, October 10, 2026
Mid-Morning
10°C 50°F
Partly Cloudy
Mid-Afternoon
15°C 59°F
Overcast
Early-Evening
12°C 53°F
Cloudy
Refreshing around 15°C 59°F, partly cloudy in the morning, overcast in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds shifting from the SSW to the ESE at 7 km/h 4 mph.
Sunday, October 11, 2026
Mid-Morning
17°C 63°F
Overcast
Mid-Afternoon
23°C 73°F
Overcast
Early-Evening
21°C 69°F
Overcast
Pleasant near 23°C 73°F, overcast throughout the day, with steady humidity and barometric pressure falling. Winds SW at 26 km/h 16 mph. Gusts up to 59 km/h 36 mph.
Monday, October 12, 2026
Mid-Morning
16°C 61°F
Scattered Showers
Mid-Afternoon
17°C 62°F
Light Rain
Early-Evening
10°C 50°F
Drizzle
Comfortable at 17°C 62°F, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure. Winds switching from the SW to the NE at 13 km/h 8 mph.
Tuesday, October 13, 2026
Mid-Morning
7°C 44°F
Overcast
Mid-Afternoon
10°C 50°F
Overcast
Early-Evening
9°C 48°F
Overcast
Crisp with a high near 10°C 50°F, overcast throughout the day, with lower humidity and steady pressure.
Wednesday, October 14, 2026
Mid-Morning
6°C 42°F
Sunny
Mid-Afternoon
13°C 55°F
Overcast
Early-Evening
8°C 47°F
Sunny
Brisk around 13°C 55°F, cloudy through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds moving from the SW to the NW at 16 km/h 10 mph.
Thursday, October 15, 2026
Mid-Morning
1°C 35°F
Overcast
Mid-Afternoon
8°C 47°F
Sunny
Early-Evening
4°C 40°F
Sunny
Cool and brisk at 8°C 47°F, partly cloudy through the afternoon, turning sunny this evening, with lower humidity and steady pressure.
Friday, October 16, 2026
Mid-Morning
4°C 39°F
Overcast
Mid-Afternoon
15°C 58°F
Overcast
Early-Evening
12°C 53°F
Overcast
Comfortable at 15°C 58°F, partly cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling. Winds increasing from the SE at 6 km/h 4 mph to S at 19 km/h 12 mph. Gusts up to 45 km/h 28 mph.
Saturday, October 17, 2026
Mid-Morning
14°C 57°F
Overcast
Mid-Afternoon
16°C 62°F
Overcast
Early-Evening
14°C 57°F
Sunny
Cool with a high near 16°C 62°F, overcast through the afternoon, turning partly cloudy this evening, with increasing humidity and steady pressure. Winds shifting from the S to the ESE at 8 km/h 5 mph.
Sunday, October 18, 2026
Mid-Morning
13°C 55°F
Sunny
Mid-Afternoon
21°C 69°F
Partly Cloudy
Early-Evening
16°C 61°F
Overcast
Enjoyable around 21°C 69°F, partly cloudy in the morning, becoming cloudy through the afternoon and evening, with lower humidity and steady pressure. Winds blowing from the ESE at 14 km/h 9 mph. Gusts up to 32 km/h 20 mph.
Monday, October 19, 2026
Mid-Morning
13°C 55°F
Rain
Mid-Afternoon
12°C 53°F
Light Fog
Early-Evening
10°C 50°F
Drizzle
Cool and brisk at 12°C 53°F, early showers and late showers with a lull during the afternoon, with increasing humidity and steady pressure. Winds decreasing from E 25 km/h 15 mph to SW 11 km/h 6 mph.
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