Cornwall Extended Forecast with high and low temperatures
°F
Time
Wind
(mph)
(mph)
Rain/Snow
()
()
Temp
(°F)
(°F)
44
48
52
56
60
64
68
72
76
80
84
88
Aug 10 – Aug 16
0.31
Lo:69
Wed, 13
Hi:82
7
0.04
Lo:55
Thu, 14
Hi:80
7
Lo:50
Fri, 15
Hi:79
7
Lo:52
Sat, 16
Hi:90
8
Aug 17 – Aug 23
0.17
Lo:55
Sun, 17
Hi:78
9
0.03
Lo:51
Mon, 18
Hi:75
4
0.09
Lo:51
Tue, 19
Hi:76
9
Lo:45
Wed, 20
Hi:77
8
Lo:48
Thu, 21
Hi:76
6
Lo:49
Fri, 22
Hi:79
8
Lo:49
Sat, 23
Hi:79
10
Aug 24 – Aug 30
Lo:55
Sun, 24
Hi:78
4
0.56
Lo:61
Mon, 25
Hi:81
10
0.08
Lo:61
Tue, 26
Hi:84
5
0.02
Lo:62
Wed, 27
Hi:83
12
Wed, Aug 13
82 / 69 °F
Thundershowers. Cloudy.
Feels Like: 85 °F
Humidity: 68%
Precipitation: Rain: 0.31 Snow: 0
Precipitation Chance: 77%
W
Wind: 7 mph
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 | ||
| Wed Aug 13 |  | 82 / 69 °F | Thundershowers. Cloudy. | 85 °F | 7 mph | ↑ | 68% | 77% | 0.31" | 3 (Moderate) | 5:58 am | 8:07 pm |
| Thu Aug 14 |  | 80 / 55 °F | Passing showers. Scattered clouds. | 80 °F | 7 mph | ↑ | 49% | 54% | 0.04" | 3 (Moderate) | 5:59 am | 8:06 pm |
| Fri Aug 15 |  | 79 / 50 °F | Afternoon clouds. | 78 °F | 7 mph | ↑ | 36% | 0% | 0.00" | 5 (Moderate) | 6:01 am | 8:04 pm |
| Sat Aug 16 | | 90 / 52 °F | Afternoon clouds. | 88 °F | 8 mph | ↑ | 37% | 0% | 0.00" | 3 (Moderate) | 6:02 am | 8:03 pm |
| Sun Aug 17 | | 78 / 55 °F | Thundershowers. Mostly cloudy. | 78 °F | 9 mph | ↑ | 73% | 51% | 0.17" | 3 (Moderate) | 6:03 am | 8:01 pm |
| Mon Aug 18 |  | 75 / 51 °F | Sprinkles late. Cloudy. | 77 °F | 4 mph | ↑ | 50% | 41% | 0.03" | 3 (Moderate) | 6:04 am | 7:59 pm |
| Tue Aug 19 | | 76 / 51 °F | Sprinkles early. Decreasing cloudiness. | 77 °F | 9 mph | ↑ | 39% | 39% | 0.09" | 3 (Moderate) | 6:05 am | 7:58 pm |
| Wed Aug 20 | | 77 / 45 °F | Morning clouds. | 77 °F | 8 mph | ↑ | 26% | 2% | 0.00" | 5 (Moderate) | 6:07 am | 7:56 pm |
| Thu Aug 21 |  | 76 / 48 °F | Sunny. | 76 °F | 6 mph | ↑ | 21% | 2% | 0.00" | 5 (Moderate) | 6:08 am | 7:54 pm |
| Fri Aug 22 |  | 79 / 49 °F | Mostly cloudy. | 77 °F | 8 mph | ↑ | 24% | 6% | 0.00" | 3 (Moderate) | 6:09 am | 7:53 pm |
| Sat Aug 23 |  | 79 / 49 °F | Cloudy. | 78 °F | 10 mph | ↑ | 32% | 41% | 0.00" | 3 (Moderate) | 6:10 am | 7:51 pm |
| Sun Aug 24 | | 78 / 55 °F | Overcast. | 78 °F | 4 mph | ↑ | 37% | 6% | 0.00" | 3 (Moderate) | 6:11 am | 7:49 pm |
| Mon Aug 25 | | 81 / 61 °F | Thunderstorms. Overcast. | 81 °F | 10 mph | ↑ | 75% | 95% | 0.56" | 3 (Moderate) | 6:12 am | 7:47 pm |
| Tue Aug 26 |  | 84 / 61 °F | Isolated tstorms late. Cloudy. | 82 °F | 5 mph | ↑ | 68% | 44% | 0.08" | 3 (Moderate) | 6:14 am | 7:46 pm |
| Wed Aug 27 | | 83 / 62 °F | Showers late. Afternoon clouds. | 82 °F | 12 mph | ↑ | 46% | 51% | 0.02" | 3 (Moderate) | 6:15 am | 7:44 pm |
| * Updated Wednesday, August 13, 2025 5:24:01 am Cornwall time - Weather by CustomWeather, © 2025 | ||||||||||||