Sarnia (Canada) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 22 degrees Celsius; Minimum nighttime temperature: 15 degrees Celsius; -
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 21 degrees Celsius; Minimum nighttime temperature: 12 degrees Celsius; -
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 20 degrees Celsius; Minimum nighttime temperature: 10 degrees Celsius;
-
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 22 degrees Celsius; Minimum nighttime temperature: 15 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: 23° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 23 degrees Celsius; Minimum nighttime temperature: 15 degrees Celsius;
-
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 17° Celsius;
Maximum daytime temperature: 24 degrees Celsius; Minimum nighttime temperature: 17 degrees Celsius;
Sunny changing to partly cloudy by nighttime.
Sunrise:
Sunset:
VH UV
No pollution data.
No pollen data.
7 day forecast for Sarnia
Today (21 June 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 |
13°
|
14°
|
16°
|
18°
|
19°
|
20°
|
21°
|
21°
|
22°
|
22°
|
22°
|
21°
|
21°
|
20°
|
19°
|
18°
|
18°
|
| Feels like temperature (°C) |
13°
|
14°
|
16°
|
18°
|
18°
|
19°
|
20°
|
20°
|
21°
|
21°
|
20°
|
20°
|
19°
|
19°
|
18°
|
17°
|
17°
|
| Wind direction and speed |
W
3
|
WNW
4
|
WNW
4
|
NW
4
|
NNW
4
|
NNW
5
|
N
5
|
N
5
|
N
5
|
NNE
6
|
NNE
6
|
NE
7
|
NE
7
|
ENE
7
|
E
6
|
E
6
|
ESE
6
|
| Wind gust (mph) |
8
|
8
|
9
|
11
|
12
|
12
|
13
|
14
|
14
|
14
|
13
|
13
|
13
|
12
|
11
|
10
|
10
|
| Visibility |
M
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
96%
|
91%
|
82%
|
72%
|
62%
|
56%
|
51%
|
46%
|
41%
|
42%
|
42%
|
45%
|
50%
|
54%
|
58%
|
64%
|
69%
|
| UV | 1 | 2 | 3 | 6 | 7 | 9 | 9 | 9 | 7 | 5 | 3 | 1 | 1 | - | - | - | - |
Monday (22 June 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%
|
20%
|
30%
|
20%
|
20%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
17°
|
17°
|
16°
|
16°
|
16°
|
15°
|
15°
|
15°
|
16°
|
17°
|
17°
|
18°
|
19°
|
21°
|
21°
|
21°
|
20°
|
20°
|
19°
|
18°
|
17°
|
15°
|
15°
|
14°
|
| Feels like temperature (°C) |
17°
|
16°
|
16°
|
16°
|
15°
|
15°
|
15°
|
15°
|
16°
|
17°
|
17°
|
17°
|
17°
|
18°
|
18°
|
17°
|
16°
|
15°
|
15°
|
14°
|
14°
|
13°
|
13°
|
13°
|
| Wind direction and speed (mph) |
ESE
6
|
SE
6
|
SE
5
|
SE
5
|
SE
5
|
SE
5
|
ESE
5
|
ESE
5
|
E
5
|
ENE
6
|
NE
7
|
NE
9
|
NE
10
|
NNE
12
|
NNE
13
|
NNE
15
|
N
17
|
N
17
|
N
17
|
N
16
|
N
15
|
N
13
|
N
12
|
N
11
|
| Wind gust (mph) |
8
|
8
|
9
|
9
|
9
|
9
|
9
|
10
|
11
|
13
|
17
|
19
|
22
|
24
|
26
|
28
|
28
|
29
|
28
|
26
|
22
|
20
|
18
|
17
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
74%
|
77%
|
78%
|
79%
|
81%
|
85%
|
86%
|
84%
|
82%
|
78%
|
75%
|
68%
|
63%
|
55%
|
53%
|
50%
|
49%
|
47%
|
50%
|
55%
|
58%
|
65%
|
68%
|
69%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 2 | 4 | 6 | 8 | 8 | 8 | 7 | 5 | 3 | 2 | 1 | - | - | - | - |
Tuesday (23 June 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) |
14°
|
14°
|
13°
|
13°
|
13°
|
12°
|
12°
|
13°
|
14°
|
15°
|
16°
|
18°
|
19°
|
19°
|
20°
|
20°
|
20°
|
19°
|
19°
|
18°
|
17°
|
16°
|
14°
|
14°
|
| Feels like temperature (°C) |
12°
|
12°
|
12°
|
11°
|
11°
|
11°
|
11°
|
12°
|
12°
|
13°
|
15°
|
16°
|
16°
|
17°
|
17°
|
17°
|
17°
|
17°
|
16°
|
16°
|
16°
|
15°
|
14°
|
13°
|
| Wind direction and speed (mph) |
N
10
|
N
10
|
N
9
|
N
9
|
NNW
9
|
NNW
8
|
NNW
8
|
NNW
8
|
NNW
9
|
NNW
10
|
NNW
10
|
NNW
11
|
N
11
|
N
12
|
N
12
|
N
12
|
N
12
|
N
12
|
N
11
|
N
10
|
NNE
8
|
NNE
6
|
NNE
5
|
NNE
4
|
| Wind gust (mph) |
16
|
15
|
15
|
15
|
14
|
13
|
13
|
16
|
17
|
18
|
19
|
20
|
21
|
21
|
21
|
21
|
21
|
21
|
19
|
17
|
13
|
9
|
8
|
7
|
| 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 |
72%
|
75%
|
76%
|
76%
|
78%
|
83%
|
85%
|
83%
|
76%
|
73%
|
67%
|
64%
|
58%
|
56%
|
53%
|
53%
|
53%
|
54%
|
55%
|
57%
|
62%
|
70%
|
77%
|
81%
|
| UV | - | - | - | - | - | - | - | 1 | 2 | 3 | 5 | 7 | 9 | 9 | 9 | 7 | 6 | 4 | 2 | 1 | - | - | - | - |
Wednesday (24 June 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%
|
10%
|
10%
|
10%
|
10%
|
20%
|
10%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
| Temperature (°C) |
13°
|
13°
|
12°
|
12°
|
11°
|
11°
|
11°
|
13°
|
15°
|
16°
|
18°
|
19°
|
21°
|
22°
|
22°
|
22°
|
22°
|
21°
|
21°
|
20°
|
19°
|
18°
|
17°
|
17°
|
| Feels like temperature (°C) |
13°
|
12°
|
12°
|
11°
|
11°
|
11°
|
10°
|
13°
|
15°
|
16°
|
18°
|
19°
|
20°
|
21°
|
21°
|
21°
|
20°
|
20°
|
19°
|
19°
|
18°
|
17°
|
17°
|
16°
|
| Wind direction and speed (mph) |
N
4
|
N
4
|
N
3
|
N
3
|
NNW
3
|
WNW
3
|
WNW
3
|
W
3
|
WSW
3
|
SW
3
|
NW
4
|
NNE
4
|
NNE
5
|
N
4
|
NNW
5
|
N
5
|
N
6
|
NNE
6
|
NE
6
|
ENE
6
|
NE
6
|
E
6
|
E
5
|
ESE
5
|
| Wind gust (mph) |
7
|
6
|
6
|
6
|
5
|
6
|
6
|
6
|
7
|
8
|
10
|
11
|
12
|
13
|
13
|
13
|
13
|
13
|
12
|
12
|
11
|
10
|
10
|
9
|
| Visibility (description) |
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
84%
|
86%
|
89%
|
90%
|
91%
|
92%
|
92%
|
85%
|
77%
|
67%
|
58%
|
54%
|
51%
|
44%
|
44%
|
45%
|
44%
|
44%
|
48%
|
52%
|
58%
|
65%
|
69%
|
69%
|
| UV | - | - | - | - | - | - | - | 1 | 2 | 3 | 5 | 7 | 9 | 8 | 6 | 6 | 4 | 3 | 2 | 1 | - | - | - | - |
Thursday (25 June 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 |
20%
|
30%
|
20%
|
30%
|
40%
|
40%
|
40%
|
40%
|
20%
|
20%
|
20%
|
20%
|
30%
|
30%
|
30%
|
40%
|
30%
|
40%
|
30%
|
30%
|
10%
|
10%
|
| Temperature (°C) |
16°
|
16°
|
16°
|
15°
|
15°
|
15°
|
15°
|
16°
|
16°
|
17°
|
18°
|
19°
|
20°
|
21°
|
22°
|
22°
|
22°
|
21°
|
20°
|
20°
|
19°
|
16°
|
| Feels like temperature (°C) |
16°
|
16°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
16°
|
17°
|
18°
|
19°
|
20°
|
21°
|
21°
|
21°
|
20°
|
20°
|
19°
|
19°
|
19°
|
16°
|
| Wind direction and speed (mph) |
ESE
5
|
SE
5
|
SE
6
|
SE
6
|
SE
5
|
SE
5
|
SE
5
|
SE
5
|
SE
5
|
SE
5
|
SE
6
|
SSE
6
|
S
6
|
WSW
7
|
WSW
7
|
SW
8
|
W
9
|
NNW
8
|
NNE
8
|
NE
8
|
NE
7
|
NE
6
|
| Wind gust (mph) |
8
|
9
|
9
|
9
|
8
|
8
|
9
|
9
|
11
|
11
|
12
|
13
|
15
|
16
|
16
|
17
|
17
|
16
|
15
|
14
|
12
|
10
|
| Visibility (description) |
G
|
G
|
G
|
VG
|
G
|
G
|
M
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
| Humidity |
74%
|
76%
|
80%
|
80%
|
83%
|
87%
|
90%
|
89%
|
87%
|
81%
|
78%
|
72%
|
66%
|
62%
|
58%
|
56%
|
61%
|
63%
|
61%
|
67%
|
72%
|
87%
|
| UV | - | - | - | - | - | - | - | 1 | 2 | 3 | 4 | 7 | 7 | 8 | 8 | 3 | 3 | 3 | 2 | 1 | - | - |
Friday (26 June 2026)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
10%
|
20%
|
10%
|
10%
|
<5%
|
<5%
|
| Temperature (°C) |
15°
|
14°
|
15°
|
19°
|
22°
|
22°
|
20°
|
17°
|
| Feels like temperature (°C) |
14°
|
13°
|
15°
|
19°
|
21°
|
21°
|
19°
|
16°
|
| Wind direction and speed (mph) |
NNE
6
|
NNW
5
|
N
6
|
N
7
|
N
8
|
N
9
|
NNE
7
|
NE
5
|
| Wind gust (mph) |
10
|
10
|
13
|
17
|
18
|
18
|
12
|
9
|
| Visibility (description) |
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
92%
|
94%
|
90%
|
70%
|
56%
|
53%
|
63%
|
79%
|
| UV | - | - | 2 | 7 | 8 | 3 | - | - |
Saturday (27 June 2026)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
10%
|
10%
|
10%
|
20%
|
10%
|
10%
|
| Temperature (°C) |
16°
|
15°
|
17°
|
21°
|
23°
|
23°
|
21°
|
19°
|
| Feels like temperature (°C) |
16°
|
15°
|
16°
|
20°
|
22°
|
22°
|
20°
|
19°
|
| Wind direction and speed (mph) |
N
5
|
NW
4
|
N
5
|
NNE
6
|
NNE
7
|
NNE
7
|
NE
7
|
E
6
|
| Wind gust (mph) |
9
|
10
|
13
|
16
|
17
|
17
|
13
|
11
|
| Visibility (description) |
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
84%
|
87%
|
79%
|
59%
|
49%
|
46%
|
57%
|
74%
|
| UV | - | - | 2 | 7 | 8 | 3 | - | - |
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Forecast for 8am (UTC-4) Sunday
Updated 07:20 (UTC+1) on Sun 21 Jun 2026
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