Cornwall (Canada) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 9° Celsius; -
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 7° Celsius; -
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 6° Celsius; -
Maximum daytime temperature: 9° Celsius; Minimum nighttime temperature: 5° Celsius;
Maximum daytime temperature: 9° Celsius; Minimum nighttime temperature: 5° Celsius; -
Maximum daytime temperature: 9° Celsius; Minimum nighttime temperature: 4° Celsius;
Maximum daytime temperature: 9° Celsius; Minimum nighttime temperature: 4° Celsius;
-
Maximum daytime temperature: 9° Celsius; Minimum nighttime temperature: 5° Celsius;
Maximum daytime temperature: 9° Celsius; Minimum nighttime temperature: 5° Celsius;
-
Maximum daytime temperature: 10° Celsius; Minimum nighttime temperature: 4° Celsius;
Maximum daytime temperature: 10° Celsius; Minimum nighttime temperature: 4° Celsius;
Sunny intervals changing to cloudy in the afternoon.
Sunrise:
Sunset:
M UV
No pollution data.
No pollen data.
7 day forecast for Cornwall
Today (21 October 2025)
| Time |
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
 |
|
|
|
|
 |
|
|
|
|
 |
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature |
9°
|
10°
|
11°
|
13°
|
14°
|
14°
|
14°
|
13°
|
12°
|
12°
|
12°
|
12°
|
11°
|
11°
|
| Feels like temperature (°C) |
6°
|
8°
|
9°
|
11°
|
12°
|
13°
|
13°
|
13°
|
12°
|
11°
|
11°
|
11°
|
10°
|
10°
|
| Wind direction and speed |
SW
9
|
SW
9
|
SW
10
|
SW
10
|
SW
9
|
SW
8
|
SSW
6
|
S
4
|
SE
5
|
SE
5
|
SSE
6
|
S
6
|
SSW
6
|
SSW
6
|
| Wind gust (mph) |
21
|
22
|
22
|
22
|
21
|
18
|
14
|
8
|
10
|
12
|
12
|
13
|
13
|
12
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
83%
|
75%
|
67%
|
59%
|
56%
|
56%
|
63%
|
75%
|
83%
|
83%
|
83%
|
84%
|
84%
|
85%
|
| UV | 2 | 3 | 3 | 3 | 3 | 2 | 1 | 1 | 1 | - | - | - | - | - |
Wednesday (22 October 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
 |
 |
 |
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
20%
|
20%
|
20%
|
20%
|
40%
|
50%
|
70%
|
40%
|
30%
|
10%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
10°
|
10°
|
10°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
10°
|
11°
|
12°
|
12°
|
12°
|
11°
|
11°
|
11°
|
11°
|
10°
|
9°
|
9°
|
9°
|
9°
|
8°
|
| Feels like temperature (°C) |
9°
|
9°
|
9°
|
8°
|
9°
|
9°
|
8°
|
9°
|
9°
|
10°
|
11°
|
11°
|
11°
|
10°
|
10°
|
9°
|
9°
|
9°
|
8°
|
8°
|
7°
|
6°
|
6°
|
6°
|
| Wind direction and speed (mph) |
S
6
|
S
6
|
S
5
|
S
5
|
SSE
4
|
SSE
4
|
SSE
3
|
ESE
3
|
E
4
|
ENE
4
|
E
3
|
SSE
4
|
SSW
5
|
SW
7
|
SW
8
|
SW
8
|
SW
8
|
SW
8
|
SW
8
|
SW
8
|
SW
8
|
SW
9
|
SSW
9
|
SSW
10
|
| Wind gust (mph) |
12
|
11
|
10
|
9
|
8
|
7
|
7
|
8
|
9
|
9
|
10
|
13
|
17
|
18
|
19
|
19
|
17
|
17
|
17
|
17
|
19
|
20
|
21
|
20
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
VG
|
VG
|
VG
|
| Humidity |
85%
|
86%
|
89%
|
91%
|
91%
|
91%
|
92%
|
92%
|
91%
|
86%
|
83%
|
79%
|
81%
|
80%
|
79%
|
83%
|
79%
|
80%
|
82%
|
85%
|
85%
|
85%
|
85%
|
85%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - |
Thursday (23 October 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
10%
|
10%
|
20%
|
20%
|
20%
|
10%
|
20%
|
30%
|
40%
|
40%
|
50%
|
50%
|
30%
|
30%
|
20%
|
10%
|
10%
|
20%
|
20%
|
20%
|
10%
|
10%
|
| Temperature (°C) |
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
9°
|
9°
|
10°
|
10°
|
11°
|
11°
|
10°
|
10°
|
9°
|
9°
|
9°
|
8°
|
8°
|
8°
|
| Feels like temperature (°C) |
6°
|
6°
|
5°
|
6°
|
5°
|
5°
|
5°
|
6°
|
6°
|
6°
|
7°
|
7°
|
8°
|
8°
|
9°
|
9°
|
9°
|
9°
|
8°
|
7°
|
7°
|
6°
|
6°
|
6°
|
| Wind direction and speed (mph) |
SSW
9
|
SSW
9
|
SSW
9
|
SSW
9
|
SSW
9
|
SSW
8
|
SSW
8
|
SSW
8
|
SSW
8
|
SSW
8
|
SW
9
|
SW
9
|
SW
9
|
SW
9
|
WSW
9
|
WSW
8
|
WSW
7
|
WSW
7
|
SW
6
|
SW
6
|
SW
7
|
SW
7
|
SW
7
|
WSW
7
|
| Wind gust (mph) |
20
|
20
|
19
|
19
|
18
|
17
|
17
|
17
|
18
|
19
|
21
|
20
|
21
|
21
|
20
|
18
|
15
|
13
|
13
|
15
|
15
|
15
|
14
|
15
|
| Visibility (description) |
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
| Humidity |
86%
|
86%
|
87%
|
87%
|
87%
|
88%
|
90%
|
90%
|
90%
|
87%
|
87%
|
83%
|
82%
|
77%
|
73%
|
73%
|
75%
|
78%
|
84%
|
86%
|
89%
|
90%
|
91%
|
91%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 2 | 1 | 1 | 1 | - | - | - | - | - | - |
Friday (24 October 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
20%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
| Temperature (°C) |
8°
|
8°
|
7°
|
7°
|
7°
|
7°
|
7°
|
6°
|
6°
|
7°
|
7°
|
7°
|
8°
|
9°
|
9°
|
9°
|
8°
|
8°
|
7°
|
7°
|
7°
|
6°
|
6°
|
6°
|
| Feels like temperature (°C) |
6°
|
6°
|
5°
|
5°
|
5°
|
5°
|
4°
|
4°
|
4°
|
4°
|
5°
|
5°
|
6°
|
7°
|
6°
|
6°
|
6°
|
6°
|
5°
|
5°
|
5°
|
4°
|
4°
|
4°
|
| Wind direction and speed (mph) |
WSW
7
|
WSW
7
|
WSW
7
|
WSW
7
|
WSW
7
|
WSW
7
|
WSW
7
|
WSW
7
|
WSW
7
|
WSW
8
|
WSW
8
|
W
8
|
W
9
|
W
9
|
W
8
|
W
8
|
W
8
|
W
7
|
W
6
|
W
6
|
W
6
|
W
6
|
W
6
|
W
6
|
| Wind gust (mph) |
15
|
15
|
15
|
15
|
16
|
15
|
15
|
15
|
16
|
18
|
18
|
20
|
20
|
19
|
20
|
19
|
17
|
14
|
13
|
13
|
13
|
13
|
12
|
12
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
VG
|
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
91%
|
91%
|
91%
|
91%
|
91%
|
90%
|
91%
|
91%
|
90%
|
86%
|
82%
|
78%
|
70%
|
66%
|
65%
|
65%
|
67%
|
67%
|
72%
|
75%
|
76%
|
79%
|
81%
|
84%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | - | - | - | - | - | - |
Saturday (25 October 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
6°
|
6°
|
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
6°
|
7°
|
7°
|
8°
|
8°
|
9°
|
9°
|
8°
|
7°
|
7°
|
6°
|
6°
|
| Feels like temperature (°C) |
4°
|
4°
|
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
4°
|
5°
|
5°
|
6°
|
6°
|
7°
|
7°
|
7°
|
6°
|
6°
|
5°
|
5°
|
| Wind direction and speed (mph) |
W
6
|
W
6
|
W
6
|
W
6
|
W
6
|
WSW
6
|
WSW
6
|
W
6
|
W
5
|
W
6
|
W
6
|
W
6
|
W
6
|
W
7
|
W
6
|
W
6
|
W
6
|
W
5
|
W
4
|
WSW
4
|
WSW
4
|
WSW
3
|
| Wind gust (mph) |
12
|
12
|
12
|
12
|
11
|
11
|
12
|
11
|
13
|
14
|
15
|
15
|
17
|
16
|
15
|
15
|
13
|
10
|
8
|
8
|
8
|
7
|
| Visibility (description) |
VG
|
G
|
VG
|
VG
|
VG
|
G
|
G
|
VG
|
G
|
VG
|
VG
|
VG
|
G
|
G
|
VG
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
85%
|
85%
|
86%
|
86%
|
86%
|
86%
|
87%
|
87%
|
87%
|
84%
|
78%
|
71%
|
66%
|
61%
|
60%
|
57%
|
59%
|
64%
|
74%
|
77%
|
80%
|
85%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | - | - | - | - |
Sunday (26 October 2025)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
5°
|
5°
|
4°
|
7°
|
9°
|
9°
|
7°
|
6°
|
| Feels like temperature (°C) |
4°
|
4°
|
3°
|
7°
|
9°
|
8°
|
5°
|
5°
|
| Wind direction and speed (mph) |
WSW
4
|
W
3
|
W
4
|
W
3
|
NNW
3
|
NNE
3
|
E
4
|
ESE
4
|
| Wind gust (mph) |
8
|
8
|
10
|
12
|
10
|
8
|
8
|
7
|
| Visibility (description) |
VG
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
88%
|
90%
|
91%
|
68%
|
56%
|
66%
|
82%
|
85%
|
| UV | - | - | 1 | 2 | 2 | 1 | - | - |
Monday (27 October 2025)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
6°
|
6°
|
6°
|
8°
|
10°
|
9°
|
7°
|
6°
|
| Feels like temperature (°C) |
4°
|
5°
|
5°
|
7°
|
9°
|
8°
|
5°
|
4°
|
| Wind direction and speed (mph) |
ENE
3
|
E
4
|
E
4
|
ENE
4
|
ENE
5
|
ENE
5
|
ENE
6
|
ENE
5
|
| Wind gust (mph) |
7
|
7
|
11
|
15
|
14
|
12
|
11
|
10
|
| Visibility (description) |
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
87%
|
86%
|
87%
|
65%
|
56%
|
66%
|
78%
|
84%
|
| UV | - | - | 1 | 2 | 2 | 1 | - | - |
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Updated 13:32 (UTC+1) on Tue 21 Oct 2025
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