Sarnia (Canada) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: 2° Celsius;
Maximum daytime temperature: 7 degrees Celsius; Minimum nighttime temperature: 2 degrees Celsius; -
Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: 3° Celsius;
Maximum daytime temperature: 7 degrees Celsius; Minimum nighttime temperature: 3 degrees Celsius;
-
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 14 degrees Celsius; Minimum nighttime temperature: 9 degrees Celsius; -
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 13° Celsius;
Maximum daytime temperature: 19 degrees Celsius; Minimum nighttime temperature: 13 degrees Celsius;
-
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 5° Celsius;Maximum daytime temperature: 16 degrees Celsius; Minimum nighttime temperature: 5 degrees Celsius;
-
Maximum daytime temperature: 10° Celsius; Minimum nighttime temperature: 4° Celsius;
Maximum daytime temperature: 10 degrees Celsius; Minimum nighttime temperature: 4 degrees Celsius;
-
Maximum daytime temperature: 8° Celsius; Minimum nighttime temperature: 3° Celsius;
Maximum daytime temperature: 8 degrees Celsius; Minimum nighttime temperature: 3 degrees Celsius;
Cloudy changing to sunny intervals in the afternoon.
Sunrise:
Sunset:
H UV
No pollution data.
No pollen data.
7 day forecast for Sarnia
Today (1 May 2026)
| Time |
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%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
| Temperature |
3°
|
3°
|
2°
|
2°
|
3°
|
3°
|
4°
|
4°
|
5°
|
6°
|
6°
|
6°
|
7°
|
7°
|
6°
|
6°
|
6°
|
5°
|
4°
|
4°
|
3°
|
3°
|
| Feels like temperature (°C) |
1°
|
1°
|
1°
|
1°
|
1°
|
2°
|
2°
|
2°
|
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
2°
|
2°
|
1°
|
1°
|
0°
|
0°
|
1°
|
| Wind direction and speed |
NNE
4
|
N
3
|
NNE
3
|
NE
3
|
NE
3
|
NE
3
|
NE
4
|
NE
5
|
NE
7
|
NNE
8
|
NNE
9
|
N
10
|
N
11
|
N
12
|
N
12
|
N
12
|
N
12
|
N
11
|
N
10
|
N
9
|
N
8
|
N
7
|
| Wind gust (mph) |
6
|
6
|
5
|
5
|
6
|
8
|
10
|
13
|
15
|
17
|
19
|
21
|
22
|
22
|
21
|
20
|
20
|
18
|
17
|
14
|
12
|
11
|
| Visibility |
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
87%
|
88%
|
90%
|
91%
|
91%
|
90%
|
83%
|
76%
|
70%
|
64%
|
59%
|
56%
|
55%
|
54%
|
56%
|
57%
|
57%
|
58%
|
62%
|
66%
|
69%
|
70%
|
| UV | - | - | - | - | - | 1 | 1 | 2 | 3 | 4 | 4 | 7 | 7 | 5 | 2 | 2 | 1 | 1 | - | - | - | - |
Saturday (2 May 2026)
| 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%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
3°
|
3°
|
3°
|
2°
|
2°
|
2°
|
2°
|
2°
|
3°
|
4°
|
4°
|
5°
|
6°
|
6°
|
6°
|
6°
|
7°
|
6°
|
6°
|
6°
|
6°
|
5°
|
5°
|
4°
|
| Feels like temperature (°C) |
1°
|
0°
|
1°
|
0°
|
0°
|
0°
|
-1°
|
0°
|
0°
|
1°
|
1°
|
2°
|
3°
|
3°
|
4°
|
4°
|
4°
|
4°
|
5°
|
5°
|
5°
|
3°
|
2°
|
2°
|
| Wind direction and speed (mph) |
N
6
|
N
5
|
N
5
|
NNW
5
|
NNW
5
|
NW
5
|
NW
6
|
NW
6
|
NW
6
|
NNW
7
|
NNW
8
|
NNW
8
|
NNW
8
|
NNW
8
|
NNW
8
|
N
8
|
N
8
|
N
7
|
N
5
|
NNE
4
|
ESE
3
|
SSE
5
|
S
5
|
S
6
|
| Wind gust (mph) |
10
|
8
|
8
|
8
|
8
|
9
|
10
|
11
|
13
|
15
|
16
|
16
|
16
|
16
|
16
|
16
|
15
|
14
|
11
|
8
|
8
|
8
|
10
|
11
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
71%
|
75%
|
77%
|
79%
|
80%
|
83%
|
84%
|
82%
|
76%
|
67%
|
63%
|
54%
|
48%
|
45%
|
45%
|
44%
|
43%
|
43%
|
43%
|
43%
|
48%
|
57%
|
58%
|
59%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 2 | 3 | 3 | 4 | 5 | 5 | 5 | 3 | 2 | 1 | 1 | - | - | - | - |
Sunday (3 May 2026)
| 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%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
20%
|
20%
|
20%
|
30%
|
| Temperature (°C) |
4°
|
4°
|
4°
|
4°
|
4°
|
3°
|
3°
|
3°
|
5°
|
6°
|
8°
|
10°
|
12°
|
12°
|
13°
|
13°
|
13°
|
13°
|
13°
|
12°
|
12°
|
11°
|
11°
|
11°
|
| Feels like temperature (°C) |
1°
|
1°
|
1°
|
1°
|
0°
|
0°
|
0°
|
0°
|
2°
|
4°
|
5°
|
7°
|
9°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
9°
|
9°
|
8°
|
| Wind direction and speed (mph) |
S
7
|
SSW
8
|
SSW
8
|
SW
8
|
SW
8
|
SW
8
|
SW
7
|
SW
6
|
SW
7
|
SW
8
|
SW
10
|
SW
11
|
SW
12
|
SW
13
|
SW
14
|
SW
14
|
SW
14
|
SW
14
|
SW
13
|
SW
12
|
SW
12
|
SSW
11
|
SSW
12
|
SSW
12
|
| Wind gust (mph) |
12
|
13
|
14
|
13
|
12
|
12
|
11
|
12
|
14
|
18
|
20
|
23
|
25
|
26
|
25
|
25
|
26
|
25
|
23
|
20
|
19
|
20
|
21
|
21
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
| Humidity |
62%
|
63%
|
65%
|
67%
|
67%
|
70%
|
71%
|
69%
|
61%
|
53%
|
43%
|
41%
|
39%
|
39%
|
39%
|
42%
|
43%
|
45%
|
46%
|
50%
|
54%
|
60%
|
62%
|
66%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 2 | 4 | 6 | 6 | 5 | 3 | 2 | 3 | 1 | 1 | - | - | - | - | - |
Monday (4 May 2026)
| 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 |
40%
|
40%
|
40%
|
30%
|
30%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
20%
|
20%
|
20%
|
40%
|
30%
|
30%
|
| Temperature (°C) |
10°
|
10°
|
10°
|
10°
|
9°
|
9°
|
9°
|
9°
|
10°
|
11°
|
12°
|
14°
|
16°
|
17°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
17°
|
16°
|
15°
|
14°
|
| Feels like temperature (°C) |
8°
|
8°
|
7°
|
7°
|
7°
|
7°
|
6°
|
6°
|
7°
|
8°
|
10°
|
11°
|
13°
|
13°
|
14°
|
14°
|
14°
|
14°
|
15°
|
15°
|
14°
|
13°
|
12°
|
12°
|
| Wind direction and speed (mph) |
SSW
13
|
SSW
13
|
SSW
13
|
SW
13
|
SSW
12
|
SSW
12
|
SSW
12
|
SSW
12
|
SSW
12
|
SW
14
|
SW
14
|
SW
15
|
SW
15
|
SW
16
|
SW
16
|
SW
15
|
SW
16
|
SW
15
|
SW
14
|
SW
14
|
SSW
13
|
SSW
13
|
SSW
13
|
SSW
13
|
| Wind gust (mph) |
22
|
22
|
22
|
22
|
21
|
21
|
20
|
21
|
23
|
25
|
25
|
26
|
28
|
29
|
28
|
28
|
28
|
26
|
25
|
23
|
22
|
21
|
21
|
22
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
| Humidity |
67%
|
70%
|
74%
|
76%
|
79%
|
81%
|
83%
|
84%
|
82%
|
76%
|
69%
|
62%
|
54%
|
48%
|
45%
|
43%
|
42%
|
41%
|
42%
|
46%
|
54%
|
58%
|
66%
|
71%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 3 | 4 | 6 | 7 | 7 | 5 | 5 | 3 | 2 | 1 | 1 | - | - | - | - |
Tuesday (5 May 2026)
| 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 |
30%
|
30%
|
30%
|
20%
|
10%
|
20%
|
20%
|
20%
|
20%
|
20%
|
30%
|
40%
|
40%
|
40%
|
50%
|
50%
|
60%
|
60%
|
70%
|
60%
|
60%
|
60%
|
| Temperature (°C) |
14°
|
14°
|
14°
|
14°
|
13°
|
13°
|
13°
|
13°
|
13°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
13°
|
13°
|
12°
|
11°
|
10°
|
8°
|
| Feels like temperature (°C) |
12°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
11°
|
11°
|
10°
|
9°
|
8°
|
6°
|
| Wind direction and speed (mph) |
SSW
13
|
SSW
13
|
SSW
13
|
SSW
13
|
SSW
13
|
SSW
13
|
SSW
12
|
SSW
11
|
SW
11
|
SW
12
|
SW
12
|
SW
12
|
SW
12
|
WSW
12
|
WSW
12
|
WSW
11
|
SW
12
|
WSW
12
|
SW
11
|
SW
9
|
SSW
9
|
NNE
8
|
| Wind gust (mph) |
22
|
23
|
22
|
22
|
21
|
21
|
20
|
19
|
21
|
23
|
22
|
23
|
23
|
23
|
21
|
21
|
21
|
20
|
19
|
17
|
18
|
17
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
M
|
M
|
P
|
P
|
P
|
P
|
M
|
P
|
| Humidity |
74%
|
77%
|
77%
|
78%
|
81%
|
82%
|
83%
|
84%
|
82%
|
75%
|
70%
|
64%
|
63%
|
63%
|
65%
|
68%
|
72%
|
78%
|
83%
|
87%
|
87%
|
92%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 2 | 4 | 4 | 4 | 3 | 2 | 2 | 2 | 1 | 1 | - | - | - |
Wednesday (6 May 2026)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
60%
|
40%
|
30%
|
20%
|
10%
|
20%
|
20%
|
20%
|
| Temperature (°C) |
7°
|
5°
|
6°
|
8°
|
10°
|
9°
|
7°
|
6°
|
| Feels like temperature (°C) |
4°
|
2°
|
2°
|
4°
|
7°
|
6°
|
5°
|
4°
|
| Wind direction and speed (mph) |
N
9
|
N
11
|
NNW
11
|
NNW
12
|
NNW
13
|
N
12
|
NNE
9
|
NNE
7
|
| Wind gust (mph) |
20
|
23
|
23
|
24
|
23
|
20
|
15
|
14
|
| Visibility (description) |
P
|
M
|
M
|
G
|
VG
|
VG
|
VG
|
G
|
| Humidity |
92%
|
92%
|
88%
|
76%
|
64%
|
58%
|
62%
|
75%
|
| UV | - | - | 1 | 4 | 3 | 2 | - | - |
Thursday (7 May 2026)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
20%
|
20%
|
20%
|
40%
|
40%
|
40%
|
20%
|
20%
|
| Temperature (°C) |
6°
|
5°
|
5°
|
6°
|
7°
|
6°
|
6°
|
5°
|
| Feels like temperature (°C) |
3°
|
2°
|
2°
|
3°
|
4°
|
3°
|
3°
|
2°
|
| Wind direction and speed (mph) |
N
8
|
N
8
|
NNW
9
|
NNW
11
|
NNW
11
|
NNW
10
|
NNW
9
|
NW
9
|
| Wind gust (mph) |
15
|
16
|
21
|
24
|
24
|
24
|
20
|
20
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
G
|
VG
|
VG
|
VG
|
| Humidity |
78%
|
81%
|
73%
|
57%
|
50%
|
56%
|
59%
|
74%
|
| UV | - | - | 1 | 4 | 3 | 2 | - | - |
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Updated 01:17 (UTC+1) on Fri 1 May 2026
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