Sarnia (Canada) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: -5° Celsius; Minimum nighttime temperature: -7° Celsius;
Maximum daytime temperature: -5 degrees Celsius; Minimum nighttime temperature: -7 degrees Celsius; -
Maximum daytime temperature: 1° Celsius; Minimum nighttime temperature: -3° Celsius;
Maximum daytime temperature: 1 degrees Celsius; Minimum nighttime temperature: -3 degrees Celsius; -
Maximum daytime temperature: 5° Celsius; Minimum nighttime temperature: -1° Celsius;
Maximum daytime temperature: 5 degrees Celsius; Minimum nighttime temperature: -1 degrees Celsius;
-
Maximum daytime temperature: 5° Celsius; Minimum nighttime temperature: 1° Celsius;
Maximum daytime temperature: 5 degrees Celsius; Minimum nighttime temperature: 1 degrees Celsius; -
Maximum daytime temperature: 10° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 10 degrees Celsius; Minimum nighttime temperature: 7 degrees Celsius;
-
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 15 degrees Celsius; Minimum nighttime temperature: 11 degrees Celsius;
-
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 1° Celsius;
Maximum daytime temperature: 15 degrees Celsius; Minimum nighttime temperature: 1 degrees Celsius;
Overcast.
Sunrise:
Sunset:
M UV
No pollution data.
No pollen data.
7 day forecast for Sarnia
Today (1 March 2026)
| Time |
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%
|
| Temperature |
-7°
|
-7°
|
-7°
|
-6°
|
-6°
|
-6°
|
-5°
|
-5°
|
-5°
|
-5°
|
-6°
|
-6°
|
-7°
|
-7°
|
-7°
|
-7°
|
-7°
|
| Feels like temperature (°C) |
-15°
|
-15°
|
-14°
|
-13°
|
-13°
|
-12°
|
-12°
|
-12°
|
-11°
|
-11°
|
-12°
|
-12°
|
-12°
|
-12°
|
-12°
|
-12°
|
-12°
|
| Wind direction and speed |
N
15
|
N
14
|
N
13
|
N
12
|
N
12
|
N
12
|
N
12
|
N
11
|
N
10
|
NNE
10
|
NNE
10
|
NNE
10
|
NE
9
|
NE
8
|
NE
7
|
ENE
7
|
E
7
|
| Wind gust (mph) |
24
|
23
|
23
|
22
|
22
|
22
|
21
|
20
|
20
|
19
|
19
|
18
|
16
|
15
|
13
|
12
|
12
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
62%
|
63%
|
60%
|
58%
|
58%
|
57%
|
57%
|
57%
|
57%
|
57%
|
61%
|
63%
|
63%
|
63%
|
61%
|
62%
|
60%
|
| UV | 1 | 1 | 1 | 2 | 3 | 3 | 3 | 2 | 1 | 1 | 1 | 1 | - | - | - | - | - |
Monday (2 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 |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
-7°
|
-7°
|
-7°
|
-7°
|
-7°
|
-7°
|
-7°
|
-7°
|
-7°
|
-6°
|
-4°
|
-3°
|
-2°
|
-1°
|
0°
|
0°
|
0°
|
0°
|
-1°
|
-2°
|
-2°
|
-2°
|
-3°
|
-2°
|
| Feels like temperature (°C) |
-11°
|
-11°
|
-12°
|
-12°
|
-12°
|
-12°
|
-12°
|
-13°
|
-12°
|
-12°
|
-10°
|
-8°
|
-7°
|
-6°
|
-5°
|
-5°
|
-4°
|
-5°
|
-6°
|
-6°
|
-7°
|
-7°
|
-7°
|
-6°
|
| Wind direction and speed (mph) |
ESE
6
|
ESE
6
|
SE
6
|
SE
7
|
SSE
7
|
SSE
7
|
SSE
8
|
SSE
8
|
SSE
9
|
SSE
10
|
SSE
10
|
SSE
10
|
SSE
10
|
SSE
11
|
SSE
11
|
S
12
|
S
12
|
S
12
|
S
10
|
S
9
|
S
8
|
S
8
|
S
7
|
S
6
|
| Wind gust (mph) |
11
|
11
|
11
|
11
|
12
|
12
|
13
|
15
|
17
|
18
|
19
|
19
|
20
|
20
|
20
|
21
|
20
|
18
|
15
|
14
|
13
|
12
|
11
|
10
|
| 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 |
60%
|
62%
|
64%
|
64%
|
64%
|
66%
|
67%
|
67%
|
65%
|
58%
|
54%
|
51%
|
42%
|
41%
|
41%
|
40%
|
40%
|
41%
|
43%
|
54%
|
58%
|
63%
|
64%
|
67%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 4 | 3 | 3 | 2 | 1 | 1 | 1 | - | - | - | - | - |
Tuesday (3 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 |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
20%
|
20%
|
30%
|
40%
|
50%
|
50%
|
50%
|
50%
|
40%
|
20%
|
20%
|
| Temperature (°C) |
-2°
|
-2°
|
-2°
|
-2°
|
-2°
|
-2°
|
-2°
|
-1°
|
-1°
|
0°
|
1°
|
2°
|
3°
|
4°
|
4°
|
4°
|
4°
|
3°
|
2°
|
2°
|
2°
|
2°
|
2°
|
1°
|
| Feels like temperature (°C) |
-6°
|
-6°
|
-5°
|
-5°
|
-5°
|
-4°
|
-4°
|
-4°
|
-3°
|
-3°
|
-2°
|
0°
|
0°
|
1°
|
1°
|
2°
|
2°
|
0°
|
0°
|
0°
|
0°
|
0°
|
0°
|
0°
|
| Wind direction and speed (mph) |
S
6
|
SSE
5
|
SSE
5
|
SSE
4
|
SSE
4
|
SE
4
|
SE
4
|
SE
4
|
SE
4
|
SE
6
|
SE
6
|
SE
6
|
SE
6
|
SSE
7
|
SSE
6
|
SSE
6
|
SSE
6
|
SSE
5
|
SE
5
|
SSE
4
|
SSE
4
|
S
4
|
W
4
|
WSW
4
|
| Wind gust (mph) |
9
|
8
|
7
|
7
|
7
|
6
|
7
|
8
|
9
|
10
|
11
|
11
|
12
|
12
|
12
|
11
|
9
|
8
|
8
|
7
|
7
|
7
|
7
|
7
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
| Humidity |
69%
|
70%
|
72%
|
74%
|
76%
|
77%
|
78%
|
76%
|
75%
|
75%
|
75%
|
75%
|
77%
|
78%
|
84%
|
82%
|
89%
|
95%
|
97%
|
98%
|
99%
|
99%
|
99%
|
99%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 2 | 2 | 1 | 2 | 1 | 1 | 1 | 1 | - | - | - | - | - |
Wednesday (4 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%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
20%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
1°
|
1°
|
1°
|
1°
|
0°
|
0°
|
0°
|
0°
|
0°
|
1°
|
2°
|
3°
|
3°
|
4°
|
5°
|
5°
|
5°
|
4°
|
3°
|
3°
|
2°
|
2°
|
2°
|
2°
|
| Feels like temperature (°C) |
-1°
|
-1°
|
-2°
|
-2°
|
-2°
|
-3°
|
-3°
|
-2°
|
-2°
|
-2°
|
0°
|
1°
|
1°
|
2°
|
3°
|
2°
|
2°
|
2°
|
1°
|
0°
|
0°
|
0°
|
0°
|
-1°
|
| Wind direction and speed (mph) |
W
4
|
NW
4
|
N
4
|
N
4
|
N
4
|
NNE
4
|
NE
4
|
NE
4
|
NE
4
|
NE
5
|
ENE
5
|
ENE
4
|
NE
5
|
NE
6
|
NE
6
|
NE
6
|
NE
6
|
NE
6
|
NE
6
|
NE
6
|
NE
6
|
NE
6
|
ENE
6
|
ENE
6
|
| Wind gust (mph) |
7
|
7
|
7
|
7
|
7
|
7
|
7
|
8
|
9
|
10
|
10
|
10
|
11
|
12
|
11
|
12
|
11
|
10
|
10
|
10
|
10
|
10
|
10
|
10
|
| Visibility (description) |
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
99%
|
99%
|
99%
|
99%
|
100%
|
99%
|
99%
|
99%
|
98%
|
97%
|
96%
|
94%
|
92%
|
91%
|
88%
|
88%
|
88%
|
88%
|
92%
|
92%
|
94%
|
95%
|
96%
|
96%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 3 | 3 | 2 | 1 | 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
|
22:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
20%
|
20%
|
20%
|
30%
|
20%
|
30%
|
20%
|
20%
|
20%
|
30%
|
40%
|
40%
|
30%
|
30%
|
30%
|
30%
|
30%
|
30%
|
50%
|
40%
|
| Temperature (°C) |
2°
|
2°
|
2°
|
2°
|
2°
|
2°
|
2°
|
2°
|
3°
|
4°
|
5°
|
5°
|
6°
|
7°
|
8°
|
9°
|
9°
|
9°
|
9°
|
8°
|
8°
|
| Feels like temperature (°C) |
-1°
|
-1°
|
-1°
|
-1°
|
-1°
|
0°
|
0°
|
0°
|
0°
|
1°
|
2°
|
2°
|
3°
|
5°
|
6°
|
6°
|
7°
|
7°
|
6°
|
6°
|
5°
|
| Wind direction and speed (mph) |
ENE
6
|
ENE
6
|
ENE
6
|
E
5
|
E
6
|
E
6
|
E
6
|
E
6
|
E
6
|
ESE
7
|
ESE
8
|
ESE
8
|
ESE
8
|
SE
9
|
SE
9
|
SE
9
|
SSE
10
|
SSE
10
|
SSE
9
|
SSE
10
|
S
9
|
| Wind gust (mph) |
10
|
10
|
9
|
10
|
10
|
10
|
10
|
11
|
13
|
13
|
14
|
16
|
16
|
16
|
16
|
17
|
17
|
16
|
16
|
17
|
15
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
M
|
G
|
G
|
G
|
G
|
G
|
M
|
G
|
G
|
G
|
M
|
M
|
M
|
| Humidity |
97%
|
96%
|
96%
|
96%
|
96%
|
96%
|
96%
|
95%
|
95%
|
95%
|
95%
|
94%
|
92%
|
90%
|
89%
|
91%
|
92%
|
92%
|
94%
|
95%
|
96%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | - | - |
Friday (6 March 2026)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
 |
|
|
|
|
|
|
| Chance of precipitation |
30%
|
20%
|
10%
|
20%
|
20%
|
30%
|
50%
|
40%
|
| Temperature (°C) |
8°
|
8°
|
8°
|
10°
|
13°
|
15°
|
14°
|
14°
|
| Feels like temperature (°C) |
5°
|
6°
|
6°
|
8°
|
11°
|
13°
|
12°
|
12°
|
| Wind direction and speed (mph) |
S
8
|
SSW
7
|
SSW
7
|
SSW
8
|
SSW
10
|
S
11
|
S
11
|
S
14
|
| Wind gust (mph) |
13
|
12
|
13
|
17
|
19
|
20
|
24
|
26
|
| Visibility (description) |
M
|
M
|
P
|
M
|
G
|
G
|
G
|
G
|
| Humidity |
97%
|
98%
|
99%
|
97%
|
92%
|
92%
|
95%
|
95%
|
| UV | - | - | 1 | 1 | 2 | 1 | - | - |
Saturday (7 March 2026)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
 |
|
|
 |
|
|
|
| Chance of precipitation |
30%
|
50%
|
50%
|
50%
|
50%
|
40%
|
10%
|
10%
|
| Temperature (°C) |
15°
|
15°
|
14°
|
14°
|
14°
|
10°
|
7°
|
5°
|
| Feels like temperature (°C) |
12°
|
12°
|
12°
|
11°
|
12°
|
8°
|
4°
|
2°
|
| Wind direction and speed (mph) |
SSW
15
|
SSW
14
|
SW
14
|
WSW
15
|
W
15
|
WNW
13
|
NNW
10
|
NW
9
|
| Wind gust (mph) |
26
|
26
|
26
|
28
|
28
|
24
|
19
|
18
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
| Humidity |
93%
|
95%
|
93%
|
92%
|
87%
|
83%
|
82%
|
83%
|
| UV | - | - | 1 | 1 | 2 | 1 | - | - |
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Forecast for 8am (UTC-5) Sunday
Updated 06:19 (UTC) on Sun 1 Mar 2026
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