Sarnia (Canada) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 8° Celsius; Minimum nighttime temperature: -2° Celsius;
Maximum daytime temperature: 8 degrees Celsius; Minimum nighttime temperature: -2 degrees Celsius; -
Maximum daytime temperature: 3° Celsius; Minimum nighttime temperature: 1° Celsius;
Maximum daytime temperature: 3 degrees Celsius; Minimum nighttime temperature: 1 degrees Celsius; -
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 18 degrees Celsius; Minimum nighttime temperature: 6 degrees Celsius;
-
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 14 degrees Celsius; Minimum nighttime temperature: 7 degrees Celsius; -
Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 23 degrees Celsius; Minimum nighttime temperature: 14 degrees Celsius;
-
Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 13° Celsius;
Maximum daytime temperature: 25 degrees Celsius; Minimum nighttime temperature: 13 degrees Celsius;
-
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 5° Celsius;
Maximum daytime temperature: 15 degrees Celsius; Minimum nighttime temperature: 5 degrees Celsius;
Sleet changing to light snow by early evening.
Sunrise:
Sunset:
M UV
No pollution data.
No pollen data.
7 day forecast for Sarnia
Today (19 April 2026)
| Time |
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|
| Weather symbols |  |
|
 |
 |
 |
|
|
| Chance of precipitation |
60%
|
70%
|
60%
|
30%
|
10%
|
<5%
|
<5%
|
| Temperature |
5°
|
2°
|
0°
|
0°
|
0°
|
0°
|
0°
|
| Feels like temperature (°C) |
1°
|
-3°
|
-6°
|
-6°
|
-5°
|
-5°
|
-5°
|
| Wind direction and speed |
NNW
14
|
N
16
|
NNE
16
|
NNE
15
|
NNE
14
|
N
12
|
N
11
|
| Wind gust (mph) |
29
|
28
|
28
|
26
|
22
|
20
|
17
|
| Visibility |
VG
|
P
|
VP
|
P
|
VG
|
VG
|
VG
|
| Humidity |
50%
|
80%
|
93%
|
86%
|
76%
|
67%
|
65%
|
| UV | 1 | - | - | - | - | - | - |
Monday (20 April 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%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
0°
|
0°
|
0°
|
0°
|
0°
|
-1°
|
-1°
|
-2°
|
-1°
|
-1°
|
0°
|
1°
|
1°
|
2°
|
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
2°
|
2°
|
| Feels like temperature (°C) |
-5°
|
-4°
|
-4°
|
-4°
|
-4°
|
-6°
|
-7°
|
-7°
|
-7°
|
-6°
|
-5°
|
-4°
|
-3°
|
-2°
|
-1°
|
0°
|
0°
|
0°
|
1°
|
2°
|
0°
|
0°
|
-1°
|
-2°
|
| Wind direction and speed (mph) |
N
10
|
N
8
|
NNW
7
|
NW
6
|
NW
8
|
NW
11
|
NNW
12
|
NNW
12
|
NNW
12
|
NNW
12
|
NNW
12
|
NNW
11
|
NNW
10
|
NNW
10
|
N
10
|
N
9
|
N
8
|
NNE
7
|
NE
4
|
ENE
3
|
ESE
5
|
SE
7
|
SE
8
|
SSE
10
|
| Wind gust (mph) |
15
|
13
|
11
|
12
|
17
|
19
|
20
|
20
|
21
|
21
|
22
|
21
|
21
|
20
|
19
|
18
|
17
|
14
|
10
|
9
|
11
|
14
|
16
|
18
|
| 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 |
66%
|
67%
|
69%
|
71%
|
71%
|
67%
|
61%
|
58%
|
54%
|
47%
|
42%
|
41%
|
41%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
44%
|
51%
|
53%
|
55%
|
| UV | - | - | - | - | - | - | - | - | 1 | 2 | 4 | 5 | 6 | 7 | 6 | 5 | 4 | 2 | 1 | - | - | - | - | - |
Tuesday (21 April 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) |
2°
|
2°
|
1°
|
1°
|
2°
|
2°
|
3°
|
3°
|
4°
|
6°
|
8°
|
10°
|
11°
|
12°
|
14°
|
15°
|
16°
|
17°
|
18°
|
17°
|
15°
|
14°
|
13°
|
12°
|
| Feels like temperature (°C) |
-3°
|
-3°
|
-3°
|
-3°
|
-3°
|
-2°
|
-2°
|
-2°
|
0°
|
2°
|
4°
|
6°
|
8°
|
9°
|
10°
|
12°
|
13°
|
15°
|
15°
|
16°
|
14°
|
13°
|
12°
|
11°
|
| Wind direction and speed (mph) |
SSE
12
|
S
12
|
S
12
|
S
12
|
S
12
|
S
13
|
S
14
|
S
15
|
S
15
|
S
17
|
S
17
|
SSW
18
|
SSW
18
|
SSW
17
|
SSW
16
|
SSW
14
|
SSW
13
|
SW
11
|
SSW
10
|
SSW
7
|
S
7
|
S
7
|
S
7
|
S
7
|
| Wind gust (mph) |
19
|
19
|
19
|
19
|
20
|
22
|
23
|
24
|
26
|
29
|
30
|
31
|
31
|
30
|
28
|
25
|
22
|
19
|
16
|
11
|
11
|
11
|
11
|
10
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
56%
|
58%
|
61%
|
63%
|
64%
|
65%
|
65%
|
65%
|
66%
|
63%
|
55%
|
47%
|
44%
|
43%
|
41%
|
41%
|
41%
|
41%
|
44%
|
56%
|
65%
|
68%
|
75%
|
77%
|
| UV | - | - | - | - | - | - | - | - | 1 | 2 | 4 | 5 | 6 | 7 | 6 | 5 | 4 | 2 | 1 | - | - | - | - | - |
Wednesday (22 April 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) |
11°
|
11°
|
10°
|
10°
|
9°
|
8°
|
7°
|
6°
|
7°
|
7°
|
9°
|
10°
|
12°
|
13°
|
13°
|
14°
|
14°
|
13°
|
13°
|
12°
|
10°
|
9°
|
9°
|
9°
|
| Feels like temperature (°C) |
10°
|
9°
|
9°
|
8°
|
7°
|
6°
|
5°
|
4°
|
4°
|
5°
|
7°
|
8°
|
10°
|
11°
|
11°
|
12°
|
12°
|
11°
|
11°
|
10°
|
9°
|
8°
|
8°
|
7°
|
| Wind direction and speed (mph) |
SSW
6
|
SW
6
|
WSW
6
|
W
6
|
NW
6
|
NNW
7
|
NNW
8
|
N
8
|
N
8
|
N
8
|
N
9
|
N
9
|
N
9
|
N
9
|
N
9
|
N
9
|
N
9
|
NNE
8
|
NNE
7
|
NE
6
|
ENE
6
|
ENE
5
|
E
5
|
ESE
5
|
| Wind gust (mph) |
10
|
9
|
10
|
10
|
11
|
13
|
13
|
13
|
14
|
15
|
15
|
16
|
16
|
17
|
17
|
17
|
16
|
15
|
13
|
11
|
9
|
8
|
8
|
8
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
83%
|
84%
|
85%
|
88%
|
89%
|
88%
|
88%
|
88%
|
82%
|
76%
|
70%
|
64%
|
59%
|
54%
|
49%
|
46%
|
45%
|
44%
|
44%
|
46%
|
56%
|
63%
|
69%
|
71%
|
| UV | - | - | - | - | - | - | - | - | 1 | 2 | 4 | 5 | 7 | 7 | 7 | 5 | 4 | 2 | 1 | - | - | - | - | - |
Thursday (23 April 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 |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
9°
|
12°
|
15°
|
17°
|
19°
|
21°
|
22°
|
23°
|
23°
|
23°
|
23°
|
22°
|
20°
|
16°
|
| Feels like temperature (°C) |
7°
|
7°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
8°
|
10°
|
13°
|
15°
|
16°
|
18°
|
19°
|
20°
|
20°
|
20°
|
20°
|
19°
|
17°
|
14°
|
| Wind direction and speed (mph) |
SE
5
|
SSE
6
|
SSE
6
|
SSE
6
|
SSE
6
|
S
7
|
S
7
|
S
7
|
S
7
|
S
8
|
S
9
|
S
10
|
S
11
|
S
11
|
S
12
|
S
12
|
S
13
|
S
13
|
S
13
|
S
12
|
SSE
11
|
SSE
12
|
| Wind gust (mph) |
8
|
9
|
9
|
10
|
10
|
10
|
11
|
11
|
13
|
15
|
17
|
19
|
20
|
21
|
22
|
22
|
22
|
22
|
21
|
19
|
19
|
18
|
| Visibility (description) |
VG
|
VG
|
VG
|
G
|
G
|
VG
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
74%
|
76%
|
76%
|
76%
|
77%
|
76%
|
76%
|
75%
|
73%
|
66%
|
59%
|
56%
|
50%
|
48%
|
46%
|
43%
|
43%
|
43%
|
50%
|
53%
|
59%
|
65%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 2 | 4 | 5 | 6 | 7 | 6 | 5 | 4 | 2 | 1 | - | - | - |
Friday (24 April 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%
|
10%
|
10%
|
40%
|
40%
|
30%
|
30%
|
| Temperature (°C) |
15°
|
15°
|
15°
|
21°
|
24°
|
24°
|
20°
|
18°
|
| Feels like temperature (°C) |
13°
|
13°
|
13°
|
18°
|
21°
|
21°
|
19°
|
17°
|
| Wind direction and speed (mph) |
S
11
|
S
10
|
S
11
|
SSW
14
|
SSW
15
|
SW
14
|
SW
10
|
SW
9
|
| Wind gust (mph) |
17
|
17
|
23
|
28
|
27
|
24
|
17
|
16
|
| Visibility (description) |
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
| Humidity |
72%
|
80%
|
78%
|
57%
|
46%
|
50%
|
71%
|
83%
|
| UV | - | - | 1 | 5 | 6 | 1 | - | - |
Saturday (25 April 2026)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
30%
|
20%
|
30%
|
30%
|
30%
|
30%
|
20%
|
20%
|
| Temperature (°C) |
16°
|
15°
|
13°
|
12°
|
14°
|
13°
|
8°
|
7°
|
| Feels like temperature (°C) |
15°
|
14°
|
11°
|
10°
|
11°
|
10°
|
5°
|
4°
|
| Wind direction and speed (mph) |
SW
9
|
SW
10
|
SW
10
|
S
12
|
NNW
13
|
N
13
|
N
11
|
N
11
|
| Wind gust (mph) |
18
|
19
|
22
|
24
|
24
|
23
|
21
|
21
|
| Visibility (description) |
G
|
G
|
M
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
89%
|
92%
|
88%
|
80%
|
65%
|
61%
|
69%
|
75%
|
| UV | - | - | 1 | 5 | 5 | 1 | - | - |
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Forecast
Forecast for 6pm (UTC-4) Sunday
Updated 19:19 (UTC+1) on Sun 19 Apr 2026
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