Sarnia (Canada) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 3° Celsius; Minimum nighttime temperature: -1° Celsius;
Maximum daytime temperature: 3° Celsius; Minimum nighttime temperature: -1° Celsius; -
Maximum daytime temperature: -1° Celsius; Minimum nighttime temperature: -8° Celsius;
Maximum daytime temperature: -1° Celsius; Minimum nighttime temperature: -8° Celsius;
-
Maximum daytime temperature: -4° Celsius; Minimum nighttime temperature: -5° Celsius;
Maximum daytime temperature: -4° Celsius; Minimum nighttime temperature: -5° Celsius;
-
Maximum daytime temperature: 1° Celsius; Minimum nighttime temperature: -1° Celsius;
Maximum daytime temperature: 1° Celsius; Minimum nighttime temperature: -1° Celsius; -
Maximum daytime temperature: 0° Celsius; Minimum nighttime temperature: -7° Celsius;
Maximum daytime temperature: 0° Celsius; Minimum nighttime temperature: -7° Celsius;
-
Maximum daytime temperature: -4° Celsius; Minimum nighttime temperature: -7° Celsius;
Maximum daytime temperature: -4° Celsius; Minimum nighttime temperature: -7° Celsius;
-
Maximum daytime temperature: -4° Celsius; Minimum nighttime temperature: -10° Celsius;
Maximum daytime temperature: -4° Celsius; Minimum nighttime temperature: -10° Celsius;
Cloudy.
Sunrise:
Sunset:
L UV
No pollution data.
No pollen data.
7 day forecast for Sarnia
Today (13 January 2026)
| Time |
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%
|
30%
|
20%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
<5%
|
<5%
|
20%
|
| Temperature |
-1°
|
0°
|
0°
|
0°
|
1°
|
1°
|
1°
|
2°
|
2°
|
2°
|
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
| Feels like temperature (°C) |
-7°
|
-7°
|
-6°
|
-6°
|
-6°
|
-6°
|
-5°
|
-5°
|
-4°
|
-3°
|
-2°
|
-2°
|
-2°
|
-2°
|
-1°
|
-1°
|
| Wind direction and speed |
S
16
|
S
17
|
S
19
|
S
20
|
S
21
|
SSW
21
|
SSW
21
|
SSW
20
|
SSW
18
|
SW
17
|
SW
16
|
SW
15
|
SW
15
|
SW
14
|
SW
13
|
SW
12
|
| Wind gust (mph) |
28
|
30
|
33
|
35
|
36
|
36
|
36
|
34
|
32
|
30
|
28
|
27
|
26
|
25
|
23
|
22
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
85%
|
84%
|
81%
|
77%
|
75%
|
75%
|
77%
|
79%
|
78%
|
82%
|
83%
|
84%
|
86%
|
86%
|
86%
|
88%
|
| UV | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - |
Wednesday (14 January 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 |
20%
|
20%
|
20%
|
30%
|
50%
|
40%
|
30%
|
70%
|
80%
|
30%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
10%
|
10%
|
30%
|
| Temperature (°C) |
3°
|
3°
|
3°
|
3°
|
3°
|
2°
|
2°
|
2°
|
1°
|
0°
|
-1°
|
-1°
|
-1°
|
-2°
|
-2°
|
-3°
|
-4°
|
-5°
|
-5°
|
-6°
|
-6°
|
-7°
|
-7°
|
-7°
|
| Feels like temperature (°C) |
-1°
|
-1°
|
-1°
|
-1°
|
-2°
|
-2°
|
-2°
|
-2°
|
-3°
|
-6°
|
-7°
|
-8°
|
-8°
|
-9°
|
-9°
|
-10°
|
-11°
|
-13°
|
-14°
|
-15°
|
-15°
|
-16°
|
-16°
|
-16°
|
| Wind direction and speed (mph) |
SW
12
|
SW
12
|
SW
12
|
SW
11
|
SW
12
|
WSW
11
|
WSW
10
|
WSW
10
|
W
12
|
NW
17
|
NW
17
|
NW
17
|
NW
17
|
NW
18
|
NW
18
|
NW
18
|
NW
19
|
NW
19
|
NNW
20
|
NNW
21
|
NNW
22
|
NNW
23
|
NW
22
|
NW
23
|
| Wind gust (mph) |
21
|
21
|
21
|
21
|
21
|
20
|
20
|
22
|
30
|
31
|
32
|
32
|
32
|
33
|
33
|
34
|
35
|
36
|
38
|
39
|
40
|
40
|
40
|
41
|
| Visibility (description) |
G
|
G
|
G
|
G
|
M
|
M
|
M
|
M
|
M
|
G
|
VG
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
VG
|
VG
|
G
|
M
|
| Humidity |
90%
|
92%
|
91%
|
91%
|
92%
|
92%
|
92%
|
92%
|
95%
|
85%
|
76%
|
69%
|
66%
|
65%
|
66%
|
68%
|
73%
|
74%
|
76%
|
76%
|
74%
|
74%
|
77%
|
81%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - |
Thursday (15 January 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%
|
30%
|
20%
|
20%
|
20%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
-7°
|
-7°
|
-7°
|
-7°
|
-7°
|
-7°
|
-7°
|
-7°
|
-7°
|
-7°
|
-7°
|
-7°
|
-7°
|
-7°
|
-6°
|
-6°
|
-6°
|
-6°
|
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-4°
|
| Feels like temperature (°C) |
-17°
|
-17°
|
-17°
|
-17°
|
-17°
|
-17°
|
-17°
|
-17°
|
-17°
|
-16°
|
-16°
|
-16°
|
-15°
|
-15°
|
-14°
|
-13°
|
-12°
|
-12°
|
-11°
|
-10°
|
-10°
|
-10°
|
-10°
|
-10°
|
| Wind direction and speed (mph) |
NW
23
|
NNW
23
|
NNW
23
|
NNW
23
|
NNW
24
|
NNW
23
|
NNW
23
|
NNW
22
|
NNW
21
|
NW
20
|
NW
19
|
NW
18
|
NW
17
|
NW
16
|
NW
14
|
NW
13
|
NW
11
|
NW
10
|
WNW
9
|
W
8
|
WSW
8
|
SW
9
|
SSW
10
|
SSW
12
|
| Wind gust (mph) |
41
|
41
|
42
|
42
|
42
|
41
|
40
|
38
|
37
|
35
|
35
|
33
|
31
|
30
|
27
|
25
|
22
|
19
|
16
|
16
|
16
|
17
|
20
|
22
|
| Visibility (description) |
M
|
M
|
M
|
M
|
M
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
84%
|
83%
|
83%
|
83%
|
82%
|
79%
|
79%
|
75%
|
74%
|
72%
|
66%
|
63%
|
60%
|
56%
|
52%
|
51%
|
49%
|
46%
|
46%
|
48%
|
52%
|
53%
|
55%
|
55%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - | - | - | - |
Friday (16 January 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%
|
10%
|
10%
|
30%
|
40%
|
70%
|
60%
|
60%
|
40%
|
40%
|
30%
|
30%
|
20%
|
30%
|
20%
|
30%
|
20%
|
20%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
-4°
|
-3°
|
-3°
|
-3°
|
-3°
|
-4°
|
-3°
|
-3°
|
-4°
|
-4°
|
-3°
|
-3°
|
-2°
|
-1°
|
-1°
|
0°
|
1°
|
0°
|
1°
|
1°
|
1°
|
1°
|
0°
|
0°
|
| Feels like temperature (°C) |
-10°
|
-10°
|
-10°
|
-11°
|
-11°
|
-11°
|
-11°
|
-11°
|
-12°
|
-12°
|
-11°
|
-11°
|
-10°
|
-8°
|
-7°
|
-6°
|
-5°
|
-6°
|
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
| Wind direction and speed (mph) |
SSW
13
|
SSW
13
|
SSW
16
|
SSW
17
|
SSW
18
|
SSW
19
|
SSW
19
|
SSW
20
|
SSW
21
|
SSW
21
|
SSW
21
|
SSW
21
|
SSW
20
|
SSW
20
|
SSW
18
|
SSW
18
|
SSW
17
|
SW
16
|
SW
16
|
SW
16
|
SW
15
|
SW
15
|
SW
14
|
SW
13
|
| Wind gust (mph) |
23
|
26
|
29
|
31
|
31
|
32
|
34
|
36
|
36
|
36
|
36
|
36
|
35
|
34
|
32
|
31
|
30
|
29
|
29
|
28
|
27
|
26
|
25
|
24
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
P
|
P
|
P
|
P
|
M
|
G
|
M
|
VG
|
G
|
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
55%
|
55%
|
56%
|
57%
|
58%
|
59%
|
62%
|
70%
|
94%
|
96%
|
94%
|
92%
|
90%
|
87%
|
88%
|
85%
|
83%
|
85%
|
87%
|
83%
|
83%
|
82%
|
82%
|
82%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - |
Saturday (17 January 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
|
22:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
20%
|
10%
|
10%
|
20%
|
20%
|
20%
|
20%
|
20%
|
30%
|
30%
|
20%
|
30%
|
30%
|
20%
|
| Temperature (°C) |
0°
|
0°
|
0°
|
0°
|
0°
|
0°
|
0°
|
-1°
|
-1°
|
-1°
|
-1°
|
0°
|
0°
|
-1°
|
-1°
|
-1°
|
-2°
|
-2°
|
-3°
|
-3°
|
-5°
|
| Feels like temperature (°C) |
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-6°
|
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-6°
|
-6°
|
-7°
|
-7°
|
-8°
|
-9°
|
-10°
|
-12°
|
| Wind direction and speed (mph) |
SW
13
|
SW
13
|
SW
12
|
SSW
12
|
SW
11
|
SSW
10
|
SSW
11
|
SW
10
|
SW
10
|
SW
10
|
WSW
10
|
WSW
11
|
WSW
10
|
W
11
|
W
11
|
W
11
|
W
12
|
W
13
|
W
13
|
W
13
|
W
14
|
| Wind gust (mph) |
23
|
22
|
21
|
20
|
19
|
19
|
19
|
17
|
17
|
18
|
19
|
20
|
21
|
21
|
21
|
22
|
23
|
25
|
25
|
28
|
27
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
G
|
VG
|
| Humidity |
82%
|
83%
|
83%
|
84%
|
84%
|
86%
|
85%
|
88%
|
88%
|
85%
|
85%
|
81%
|
78%
|
75%
|
75%
|
73%
|
73%
|
76%
|
78%
|
79%
|
73%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - |
Sunday (18 January 2026)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
| Temperature (°C) |
-6°
|
-6°
|
-6°
|
-6°
|
-5°
|
-4°
|
-5°
|
-6°
|
| Feels like temperature (°C) |
-13°
|
-13°
|
-12°
|
-13°
|
-11°
|
-11°
|
-12°
|
-13°
|
| Wind direction and speed (mph) |
WSW
13
|
W
10
|
WSW
10
|
WSW
10
|
WSW
12
|
SW
13
|
SW
13
|
SW
13
|
| Wind gust (mph) |
22
|
19
|
22
|
23
|
26
|
26
|
26
|
27
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
78%
|
80%
|
81%
|
77%
|
60%
|
60%
|
66%
|
67%
|
| UV | - | - | 1 | 1 | 2 | 1 | - | - |
Monday (19 January 2026)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
10%
|
10%
|
10%
|
20%
|
20%
|
10%
|
10%
|
| Temperature (°C) |
-6°
|
-6°
|
-6°
|
-6°
|
-5°
|
-6°
|
-6°
|
-7°
|
| Feels like temperature (°C) |
-13°
|
-13°
|
-13°
|
-14°
|
-13°
|
-13°
|
-14°
|
-15°
|
| Wind direction and speed (mph) |
SW
14
|
SW
14
|
SW
14
|
WSW
15
|
W
17
|
W
16
|
W
15
|
W
16
|
| Wind gust (mph) |
27
|
27
|
29
|
32
|
33
|
31
|
30
|
30
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
72%
|
73%
|
76%
|
72%
|
63%
|
66%
|
69%
|
69%
|
| UV | - | - | 1 | 1 | 1 | 1 | - | - |
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Forecast for 8am (UTC-5) Tuesday
Updated 11:29 (UTC) on Tue 13 Jan 2026
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