Cornwall Extended Forecast with high and low temperatures
2 Week Extended Forecast in Cornwall, Ontario, Canada
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| Conditions | Comfort | Precipitation | Sun | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day | Temperature | Weather | Feels Like | Wind | Humidity | Chance | Amount | UV | Sunrise | Sunset | ||
| Fri Dec 5 |  | 23 / -2 °F | Mostly cloudy. | 14 °F | 7 mph | ↑ | 44% | 0% | 0.00" | 0 (Low) | 7:21 am | 4:17 pm |
| Sat Dec 6 |  | 34 / 15 °F | Light snow late. Overcast. | 24 °F | 12 mph | ↑ | 73% | 38% | 0.30" | 0 (Low) | 7:22 am | 4:17 pm |
| Sun Dec 7 | | 23 / 2 °F | Light snow late. Overcast. | 9 °F | 5 mph | ↑ | 56% | 46% | 0.80" | 0 (Low) | 7:23 am | 4:17 pm |
| Mon Dec 8 | | 15 / 0 °F | Light snow early. Broken clouds. | -1 °F | 9 mph | ↑ | 68% | 60% | 1.66" | 0 (Low) | 7:24 am | 4:17 pm |
| Tue Dec 9 | | 31 / -1 °F | Light snow late. Overcast. | 17 °F | 8 mph | ↑ | 64% | 16% | 0.04" | 0 (Low) | 7:25 am | 4:17 pm |
| Wed Dec 10 |  | 43 / 29 °F | Overcast. | 35 °F | 12 mph | ↑ | 58% | 5% | 0.00" | 0 (Low) | 7:26 am | 4:17 pm |
| Thu Dec 11 | | 38 / 16 °F | Light snow. Overcast. | 10 °F | 18 mph | ↑ | 56% | 21% | 0.93" | 0 (Low) | 7:27 am | 4:17 pm |
| Fri Dec 12 | | 34 / 19 °F | Broken clouds. | 19 °F | 4 mph | ↑ | 63% | 6% | 0.00" | 0 (Low) | 7:28 am | 4:17 pm |
| Sat Dec 13 | | 26 / 17 °F | Light snow early. Morning clouds. | 17 °F | 8 mph | ↑ | 60% | 45% | 0.22" | 0 (Low) | 7:29 am | 4:17 pm |
| Sun Dec 14 | | 30 / 17 °F | Light snow late. Overcast. | 23 °F | 8 mph | ↑ | 60% | 46% | 0.06" | 0 (Low) | 7:29 am | 4:17 pm |
| Mon Dec 15 | | 30 / 21 °F | Mostly cloudy. | 16 °F | 18 mph | ↑ | 56% | 42% | 0.14" | 0 (Low) | 7:30 am | 4:17 pm |
| Tue Dec 16 |  | 25 / 19 °F | Increasing cloudiness. | 15 °F | 10 mph | ↑ | 66% | 6% | 0.00" | 0 (Low) | 7:31 am | 4:18 pm |
| Wed Dec 17 | | 26 / 18 °F | Overcast. | 25 °F | 3 mph | ↑ | 61% | 6% | 0.00" | 0 (Low) | 7:31 am | 4:18 pm |
| Thu Dec 18 | | 27 / 20 °F | Overcast. | 16 °F | 12 mph | ↑ | 71% | 6% | 0.00" | 0 (Low) | 7:32 am | 4:18 pm |
| Fri Dec 19 |  | 30 / 20 °F | Snow. Overcast. | 20 °F | 11 mph | ↑ | 88% | 68% | 2.78" | 0 (Low) | 7:33 am | 4:19 pm |
| * Updated Thursday, December 4, 2025 4:24:05 pm Cornwall time - Weather by CustomWeather, © 2025 | ||||||||||||