Sarnia (Canada) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 10° Celsius; Minimum nighttime temperature: 2° Celsius;
Maximum daytime temperature: 10 degrees Celsius; Minimum nighttime temperature: 2 degrees Celsius; -
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: 11° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 11 degrees Celsius; Minimum nighttime temperature: 11 degrees Celsius;
-
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 1° Celsius;
Maximum daytime temperature: 18 degrees Celsius; Minimum nighttime temperature: 1 degrees Celsius; -
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 13 degrees Celsius; Minimum nighttime temperature: 7 degrees Celsius;
-
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 17 degrees Celsius; Minimum nighttime temperature: 6 degrees Celsius;
-
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 3° Celsius;
Maximum daytime temperature: 17 degrees Celsius; Minimum nighttime temperature: 3 degrees Celsius;
Sunny.
Sunrise:
Sunset:
M UV
No pollution data.
No pollen data.
7 day forecast for Sarnia
Today (4 March 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%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature |
-1°
|
-2°
|
-2°
|
-2°
|
-2°
|
-2°
|
-1°
|
1°
|
3°
|
4°
|
6°
|
7°
|
8°
|
9°
|
10°
|
9°
|
7°
|
6°
|
5°
|
4°
|
3°
|
3°
|
| Feels like temperature (°C) |
-3°
|
-3°
|
-3°
|
-4°
|
-4°
|
-4°
|
-3°
|
-1°
|
1°
|
3°
|
5°
|
6°
|
7°
|
8°
|
9°
|
9°
|
6°
|
4°
|
3°
|
2°
|
1°
|
1°
|
| Wind direction and speed |
WSW
3
|
WNW
3
|
WNW
3
|
SSW
2
|
SSE
3
|
SSE
3
|
SE
3
|
SSE
3
|
SE
3
|
SE
4
|
SE
4
|
SSE
4
|
SSE
4
|
SSE
4
|
SSE
4
|
SE
4
|
ESE
4
|
ESE
5
|
E
5
|
ESE
4
|
ESE
4
|
SE
4
|
| Wind gust (mph) |
5
|
4
|
4
|
4
|
5
|
6
|
6
|
7
|
8
|
9
|
10
|
10
|
9
|
9
|
8
|
7
|
7
|
8
|
7
|
6
|
6
|
6
|
| Visibility |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
| Humidity |
95%
|
96%
|
96%
|
96%
|
96%
|
96%
|
94%
|
88%
|
83%
|
76%
|
71%
|
65%
|
64%
|
62%
|
62%
|
65%
|
79%
|
83%
|
84%
|
87%
|
91%
|
92%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 4 | 4 | 3 | 2 | 1 | 1 | 1 | - | - | - | - | - |
Thursday (5 March 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 |
10%
|
10%
|
10%
|
<5%
|
10%
|
10%
|
10%
|
20%
|
10%
|
10%
|
10%
|
20%
|
30%
|
30%
|
50%
|
60%
|
60%
|
60%
|
60%
|
50%
|
40%
|
30%
|
20%
|
20%
|
| Temperature (°C) |
2°
|
2°
|
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
4°
|
4°
|
5°
|
6°
|
6°
|
6°
|
6°
|
6°
|
5°
|
5°
|
4°
|
4°
|
4°
|
3°
|
3°
|
| Feels like temperature (°C) |
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
0°
|
1°
|
1°
|
1°
|
2°
|
3°
|
4°
|
4°
|
4°
|
3°
|
2°
|
2°
|
1°
|
1°
|
1°
|
1°
|
0°
|
| Wind direction and speed (mph) |
ESE
4
|
ESE
4
|
ESE
4
|
ESE
4
|
E
4
|
ENE
4
|
ENE
5
|
NE
6
|
NE
6
|
NE
7
|
NE
7
|
ENE
8
|
ENE
8
|
E
8
|
E
8
|
ENE
8
|
ENE
8
|
ENE
8
|
ENE
8
|
ENE
8
|
ENE
8
|
ENE
7
|
ENE
6
|
ENE
6
|
| Wind gust (mph) |
6
|
7
|
7
|
7
|
7
|
8
|
9
|
10
|
12
|
13
|
13
|
14
|
15
|
15
|
15
|
15
|
15
|
15
|
15
|
15
|
14
|
13
|
11
|
10
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
M
|
M
|
M
|
M
|
M
|
M
|
G
|
G
|
G
|
| Humidity |
92%
|
92%
|
92%
|
91%
|
92%
|
92%
|
92%
|
91%
|
87%
|
83%
|
81%
|
79%
|
79%
|
80%
|
80%
|
84%
|
88%
|
90%
|
92%
|
92%
|
93%
|
93%
|
95%
|
95%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - |
Friday (6 March 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%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
30%
|
40%
|
60%
|
60%
|
50%
|
40%
|
| Temperature (°C) |
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
4°
|
5°
|
6°
|
7°
|
8°
|
9°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
11°
|
12°
|
| Feels like temperature (°C) |
0°
|
0°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
2°
|
3°
|
5°
|
6°
|
7°
|
8°
|
8°
|
8°
|
7°
|
7°
|
7°
|
9°
|
10°
|
| Wind direction and speed (mph) |
ENE
5
|
ENE
5
|
ENE
4
|
ENE
4
|
E
4
|
ESE
4
|
ESE
4
|
SE
4
|
SE
5
|
SSE
5
|
SSE
6
|
S
7
|
S
8
|
S
8
|
S
9
|
S
9
|
S
10
|
S
10
|
S
9
|
SSE
10
|
SSE
11
|
S
12
|
S
13
|
S
14
|
| Wind gust (mph) |
9
|
8
|
8
|
8
|
7
|
8
|
8
|
8
|
10
|
11
|
13
|
13
|
15
|
16
|
16
|
17
|
16
|
16
|
16
|
18
|
20
|
21
|
23
|
23
|
| Visibility (description) |
M
|
G
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
G
|
G
|
G
|
G
|
VG
|
G
|
G
|
G
|
G
|
M
|
M
|
M
|
M
|
| Humidity |
95%
|
96%
|
96%
|
96%
|
97%
|
97%
|
97%
|
97%
|
97%
|
96%
|
96%
|
95%
|
93%
|
91%
|
89%
|
87%
|
90%
|
91%
|
93%
|
96%
|
97%
|
97%
|
97%
|
97%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 2 | 3 | 3 | 2 | 1 | 1 | 1 | 1 | - | - | - | - | - |
Saturday (7 March 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%
|
20%
|
30%
|
30%
|
30%
|
50%
|
50%
|
60%
|
50%
|
30%
|
20%
|
20%
|
30%
|
30%
|
20%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
10%
|
<5%
|
| Temperature (°C) |
13°
|
13°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
16°
|
16°
|
17°
|
17°
|
16°
|
11°
|
7°
|
5°
|
5°
|
4°
|
4°
|
3°
|
3°
|
| Feels like temperature (°C) |
11°
|
11°
|
11°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
13°
|
13°
|
13°
|
13°
|
14°
|
14°
|
14°
|
8°
|
3°
|
2°
|
1°
|
1°
|
1°
|
0°
|
0°
|
| Wind direction and speed (mph) |
S
15
|
SSW
15
|
SSW
15
|
SSW
16
|
SSW
16
|
SSW
16
|
SSW
16
|
SSW
16
|
SSW
17
|
SSW
17
|
SSW
17
|
SW
17
|
SW
17
|
SW
16
|
WSW
15
|
W
15
|
NW
15
|
NNW
13
|
NNW
11
|
N
10
|
N
10
|
N
8
|
N
8
|
N
7
|
| Wind gust (mph) |
24
|
25
|
25
|
26
|
26
|
26
|
27
|
28
|
28
|
30
|
29
|
30
|
29
|
28
|
27
|
27
|
25
|
22
|
19
|
17
|
15
|
14
|
13
|
12
|
| Visibility (description) |
M
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
97%
|
97%
|
96%
|
95%
|
95%
|
95%
|
95%
|
94%
|
94%
|
93%
|
93%
|
92%
|
91%
|
85%
|
83%
|
79%
|
82%
|
78%
|
81%
|
82%
|
82%
|
82%
|
83%
|
82%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - | - | - |
Sunday (8 March 2026)
| Time |
00:00
|
01:00
|
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%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
3°
|
3°
|
2°
|
2°
|
2°
|
2°
|
2°
|
2°
|
3°
|
4°
|
6°
|
8°
|
9°
|
11°
|
12°
|
13°
|
13°
|
13°
|
12°
|
11°
|
9°
|
| Feels like temperature (°C) |
0°
|
0°
|
0°
|
0°
|
-1°
|
-1°
|
-1°
|
-2°
|
-1°
|
1°
|
2°
|
4°
|
6°
|
8°
|
9°
|
10°
|
10°
|
10°
|
9°
|
8°
|
6°
|
| Wind direction and speed (mph) |
NNW
7
|
NNW
6
|
NNW
6
|
NW
6
|
SW
5
|
SSW
6
|
SW
6
|
SW
7
|
SW
8
|
SW
10
|
SW
11
|
SW
13
|
SW
14
|
SW
14
|
SW
14
|
SW
14
|
SW
14
|
SW
13
|
SW
12
|
SSW
12
|
SSW
12
|
| Wind gust (mph) |
11
|
11
|
10
|
10
|
10
|
10
|
12
|
13
|
16
|
20
|
23
|
25
|
25
|
25
|
26
|
25
|
24
|
22
|
20
|
20
|
21
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
83%
|
83%
|
83%
|
83%
|
84%
|
85%
|
85%
|
85%
|
83%
|
77%
|
69%
|
60%
|
52%
|
46%
|
42%
|
41%
|
40%
|
42%
|
48%
|
55%
|
61%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 3 | 3 | 4 | 4 | 3 | 2 | 1 | 1 | 1 | - | - |
Monday (9 March 2026)
| 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) |
8°
|
8°
|
7°
|
10°
|
15°
|
17°
|
14°
|
11°
|
| Feels like temperature (°C) |
5°
|
4°
|
3°
|
7°
|
12°
|
13°
|
12°
|
9°
|
| Wind direction and speed (mph) |
SSW
12
|
SSW
12
|
SSW
12
|
SW
14
|
SW
16
|
SW
15
|
SW
11
|
WSW
11
|
| Wind gust (mph) |
20
|
21
|
24
|
28
|
27
|
25
|
21
|
21
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
| Humidity |
64%
|
69%
|
75%
|
63%
|
50%
|
43%
|
62%
|
70%
|
| UV | - | - | 1 | 3 | 4 | 1 | - | - |
Tuesday (10 March 2026)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
10%
|
20%
|
20%
|
40%
|
50%
|
60%
|
70%
|
| Temperature (°C) |
9°
|
8°
|
7°
|
11°
|
14°
|
14°
|
14°
|
12°
|
| Feels like temperature (°C) |
6°
|
5°
|
4°
|
8°
|
11°
|
11°
|
11°
|
9°
|
| Wind direction and speed (mph) |
WSW
12
|
WNW
12
|
NNE
12
|
ENE
14
|
E
17
|
E
17
|
SE
16
|
SSW
16
|
| Wind gust (mph) |
21
|
21
|
24
|
28
|
31
|
32
|
31
|
34
|
| Visibility (description) |
VG
|
VG
|
G
|
VG
|
VG
|
VG
|
G
|
G
|
| Humidity |
78%
|
80%
|
80%
|
76%
|
72%
|
73%
|
89%
|
91%
|
| UV | - | - | 1 | 2 | 3 | 1 | - | - |
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Forecast for 3am (UTC-5) Wednesday
Updated 06:23 (UTC) on Wed 4 Mar 2026
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