Sarnia (Canada) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 20° Celsius;
Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 20° Celsius; -
Maximum daytime temperature: 26° Celsius; Minimum nighttime temperature: 20° Celsius;
Maximum daytime temperature: 26° Celsius; Minimum nighttime temperature: 20° Celsius; -
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 18° Celsius;
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 18° Celsius;
-
Maximum daytime temperature: 27° Celsius; Minimum nighttime temperature: 21° Celsius;
Maximum daytime temperature: 27° Celsius; Minimum nighttime temperature: 21° Celsius;
-
Maximum daytime temperature: 30° Celsius; Minimum nighttime temperature: 21° Celsius;
Maximum daytime temperature: 30° Celsius; Minimum nighttime temperature: 21° Celsius;
-
Maximum daytime temperature: 28° Celsius; Minimum nighttime temperature: 21° Celsius;
Maximum daytime temperature: 28° Celsius; Minimum nighttime temperature: 21° Celsius;
-
Maximum daytime temperature: 30° Celsius; Minimum nighttime temperature: 22° Celsius;
Maximum daytime temperature: 30° Celsius; Minimum nighttime temperature: 22° Celsius;
Clear.
Sunrise:
Sunset:
VH UV
No pollution data.
No pollen data.
7 day forecast for Sarnia
Today (8 July 2025)
| Time |
21:00
|
22:00
|
23:00
|
|---|---|---|---|
| Weather symbols |  |
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
| Temperature |
22°
|
22°
|
21°
|
| Feels like temperature (°C) |
22°
|
22°
|
21°
|
| Wind direction and speed |
E
6
|
E
6
|
ESE
6
|
| Wind gust (mph) |
11
|
11
|
11
|
| Visibility |
VG
|
VG
|
VG
|
| Humidity |
71%
|
73%
|
75%
|
| UV | - | - | - |
Wednesday (9 July 2025)
| 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%
|
20%
|
30%
|
30%
|
30%
|
30%
|
30%
|
30%
|
30%
|
50%
|
60%
|
50%
|
50%
|
60%
|
70%
|
40%
|
50%
|
30%
|
30%
|
30%
|
20%
|
20%
|
20%
|
| Temperature (°C) |
21°
|
21°
|
20°
|
21°
|
21°
|
21°
|
21°
|
21°
|
22°
|
23°
|
23°
|
24°
|
24°
|
24°
|
24°
|
25°
|
25°
|
24°
|
25°
|
24°
|
24°
|
22°
|
22°
|
22°
|
| Feels like temperature (°C) |
21°
|
21°
|
21°
|
21°
|
21°
|
21°
|
21°
|
21°
|
22°
|
23°
|
24°
|
25°
|
25°
|
25°
|
25°
|
26°
|
26°
|
26°
|
26°
|
25°
|
25°
|
23°
|
22°
|
22°
|
| Wind direction and speed (mph) |
SE
6
|
SSE
6
|
SSE
6
|
SSE
6
|
SSE
6
|
SSE
7
|
S
7
|
S
7
|
S
7
|
SSW
7
|
SSW
8
|
SW
8
|
SW
7
|
SW
7
|
WSW
6
|
SW
6
|
WSW
6
|
W
5
|
W
6
|
NW
7
|
NNW
7
|
N
7
|
NNE
8
|
NNE
8
|
| Wind gust (mph) |
10
|
10
|
10
|
10
|
12
|
12
|
12
|
13
|
13
|
14
|
15
|
15
|
15
|
14
|
13
|
13
|
13
|
13
|
14
|
14
|
15
|
13
|
14
|
14
|
| 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
|
G
|
| Humidity |
77%
|
81%
|
83%
|
84%
|
84%
|
84%
|
85%
|
86%
|
86%
|
84%
|
82%
|
82%
|
80%
|
77%
|
76%
|
76%
|
74%
|
74%
|
74%
|
75%
|
78%
|
84%
|
86%
|
88%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 2 | 3 | 6 | 3 | 6 | 9 | 7 | 5 | 4 | 2 | 1 | - | - | - | - |
Thursday (10 July 2025)
| 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%
|
10%
|
20%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
21°
|
21°
|
21°
|
21°
|
20°
|
20°
|
20°
|
20°
|
20°
|
20°
|
21°
|
21°
|
21°
|
22°
|
22°
|
22°
|
22°
|
22°
|
22°
|
21°
|
21°
|
20°
|
| Feels like temperature (°C) |
21°
|
21°
|
21°
|
20°
|
20°
|
20°
|
20°
|
19°
|
20°
|
20°
|
20°
|
20°
|
21°
|
21°
|
21°
|
21°
|
21°
|
21°
|
21°
|
21°
|
21°
|
20°
|
| Wind direction and speed (mph) |
NNE
8
|
NNE
8
|
NNE
9
|
NNE
9
|
NNE
9
|
NNE
9
|
NNE
10
|
N
10
|
NNE
9
|
NNE
9
|
N
9
|
N
9
|
N
9
|
N
10
|
N
10
|
N
10
|
N
11
|
NNE
10
|
NNE
10
|
NNE
10
|
NNE
9
|
NNE
6
|
| Wind gust (mph) |
14
|
15
|
16
|
15
|
16
|
16
|
16
|
17
|
17
|
17
|
18
|
18
|
19
|
19
|
20
|
20
|
20
|
19
|
19
|
17
|
16
|
11
|
| Visibility (description) |
VG
|
G
|
VG
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
88%
|
89%
|
90%
|
91%
|
91%
|
90%
|
90%
|
88%
|
85%
|
83%
|
82%
|
78%
|
75%
|
72%
|
70%
|
69%
|
69%
|
71%
|
72%
|
73%
|
74%
|
79%
|
| UV | - | - | - | - | - | - | - | 1 | 2 | 3 | 5 | 7 | 9 | 9 | 9 | 8 | 6 | 4 | 2 | 1 | - | - |
Friday (11 July 2025)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
10%
|
<5%
|
10%
|
10%
|
<5%
|
10%
|
10%
|
| Temperature (°C) |
19°
|
19°
|
21°
|
24°
|
26°
|
27°
|
26°
|
23°
|
| Feels like temperature (°C) |
20°
|
19°
|
22°
|
25°
|
26°
|
27°
|
26°
|
23°
|
| Wind direction and speed (mph) |
NE
5
|
NE
5
|
ENE
4
|
E
5
|
NNW
5
|
NE
7
|
E
8
|
SE
8
|
| Wind gust (mph) |
9
|
9
|
11
|
14
|
15
|
16
|
15
|
14
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
84%
|
85%
|
81%
|
67%
|
56%
|
54%
|
61%
|
75%
|
| UV | - | - | 2 | 7 | 9 | 4 | - | - |
Saturday (12 July 2025)
| 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%
|
30%
|
20%
|
30%
|
10%
|
| Temperature (°C) |
22°
|
21°
|
23°
|
27°
|
29°
|
30°
|
28°
|
25°
|
| Feels like temperature (°C) |
22°
|
22°
|
23°
|
27°
|
29°
|
29°
|
28°
|
25°
|
| Wind direction and speed (mph) |
SSE
7
|
S
7
|
S
8
|
S
11
|
SSW
12
|
SSW
15
|
SSW
12
|
SW
11
|
| Wind gust (mph) |
12
|
14
|
20
|
25
|
29
|
27
|
22
|
20
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
82%
|
86%
|
82%
|
67%
|
57%
|
55%
|
65%
|
78%
|
| UV | - | - | 2 | 7 | 9 | 4 | - | - |
Sunday (13 July 2025)
| 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%
|
<5%
|
<5%
|
10%
|
10%
|
| Temperature (°C) |
23°
|
22°
|
22°
|
24°
|
27°
|
27°
|
26°
|
23°
|
| Feels like temperature (°C) |
23°
|
22°
|
22°
|
24°
|
26°
|
27°
|
27°
|
24°
|
| Wind direction and speed (mph) |
WSW
9
|
WSW
9
|
WSW
9
|
W
9
|
WNW
9
|
NW
9
|
N
7
|
SE
6
|
| Wind gust (mph) |
18
|
17
|
20
|
22
|
21
|
17
|
12
|
11
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
79%
|
83%
|
83%
|
64%
|
46%
|
45%
|
56%
|
69%
|
| UV | - | - | 2 | 7 | 9 | 4 | - | - |
Monday (14 July 2025)
| 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%
|
10%
|
10%
|
<5%
|
10%
|
| Temperature (°C) |
22°
|
21°
|
22°
|
26°
|
29°
|
29°
|
28°
|
25°
|
| Feels like temperature (°C) |
23°
|
21°
|
23°
|
26°
|
28°
|
30°
|
29°
|
25°
|
| Wind direction and speed (mph) |
SW
6
|
WSW
6
|
SW
5
|
WSW
7
|
W
7
|
W
7
|
SSE
7
|
SSE
7
|
| Wind gust (mph) |
10
|
10
|
15
|
17
|
18
|
17
|
14
|
12
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
76%
|
79%
|
75%
|
55%
|
44%
|
45%
|
55%
|
69%
|
| UV | - | - | 2 | 7 | 9 | 4 | - | - |
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Forecast for 21:00 (UTC-4), Tue
Updated 00:58 (UTC+1) on Wed 9 Jul 2025
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