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Monthly weather forecast in Sarnia
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun
Sunday
Mon
Monday
Tue
Tuesday
Wed
Wednesday
Thu
Thursday
Fri
Friday
Sat
Saturday
24
+6
+3
24 November, sun
+6
+3
Feels like
−1
744 mmHg
77%
8.8
m/s
SW
+7
24 November, Sunday. day, 6°; night, 3°; overcast
25
+5
+3
25 November, mon
+5
+3
Feels like
−2
744 mmHg
76%
8.1
m/s
SW
+7
25 November, Monday. day, 5°; night, 3°; rain
26
+4
+4
26 November, tue
+4
+4
Feels like
−3
746 mmHg
80%
9
m/s
W
+7
26 November, Tuesday. day, 4°; night, 4°; overcast
27
November
+5
+2
27 November, wed
+5
+2
Feels like
−2
743 mmHg
68%
3.7
m/s
SW
+9
Climate normal
+3
0
27 November, Wednesday. day, 5°; night, 2°; overcast
28
+4
−1
28 November, thu
+4
−1
Feels like
−5
740 mmHg
67%
6.3
m/s
NW
+9
Climate normal
+4
+2
28 November, Thursday. day, 4°; night, -1°; light rain
29
0
−3
29 November, fri
0
−3
Feels like
−10
741 mmHg
65%
8.6
m/s
W
+8
Climate normal
+7
+3
29 November, Friday. day, 0°; night, -3°; overcast
30
−1
−3
30 November, sat
−1
−3
Feels like
−10
743 mmHg
60%
7.2
m/s
W
+8
Climate normal
+5
+3
30 November, Saturday. day, -1°; night, -3°; sleet
1 December
+1
−2
1 December, sun
+1
−2
Feels like
−9
745 mmHg
65%
7.4
m/s
W
+7
Climate normal
+3
+1
1 December, Sunday. day, 1°; night, -2°; partly cloudy
2
+1
−3
2 December, mon
+1
−3
Feels like
−7
749 mmHg
66%
5.9
m/s
W
+6
Climate normal
+4
+3
2 December, Monday. day, 1°; night, -3°; sleet
3
−1
−3
3 December, tue
−1
−3
Feels like
−8
752 mmHg
65%
4.8
m/s
W
+6
Climate normal
+5
+3
3 December, Tuesday. day, -1°; night, -3°; snow
4
0
0
4 December, wed
0
0
Feels like
−7
746 mmHg
70%
5.1
m/s
W
+6
Climate normal
+5
+5
4 December, Wednesday. day, 0°; night, 0°; partly cloudy
5
+2
−1
5 December, thu
+2
−1
Feels like
−5
744 mmHg
74%
5.5
m/s
W
+5
Climate normal
+1
−1
5 December, Thursday. day, 2°; night, -1°; light snow
6
−1
−3
6 December, fri
−1
−3
Feels like
−7
745 mmHg
74%
5.5
m/s
NW
+5
Climate normal
0
−2
6 December, Friday. day, -1°; night, -3°; overcast
7
+1
0
7 December, sat
+1
0
Feels like
−7
745 mmHg
77%
4.8
m/s
W
0
Climate normal
0
−2
7 December, Saturday. day, 1°; night, 0°; overcast
8
+3
0
8 December, sun
+3
0
Feels like
−5
743 mmHg
81%
4.9
m/s
W
+2
Climate normal
+1
0
8 December, Sunday. day, 3°; night, 0°; overcast
9
+2
−2
9 December, mon
+2
−2
Feels like
−9
734 mmHg
96%
11.2
m/s
SW
+1
Climate normal
−1
−2
9 December, Monday. day, 2°; night, -2°; sleet
10
−5
−7
10 December, tue
−5
−7
Feels like
−14
746 mmHg
81%
7.7
m/s
NW
0
Climate normal
0
−2
10 December, Tuesday. day, -5°; night, -7°; partly cloudy
11
−3
−5
11 December, wed
−3
−5
Feels like
−10
755 mmHg
78%
4
m/s
NW
0
Climate normal
0
−3
11 December, Wednesday. day, -3°; night, -5°; partly cloudy
12
−4
−6
12 December, thu
−4
−6
Feels like
−11
756 mmHg
78%
4
m/s
NE
0
Climate normal
+1
−2
12 December, Thursday. day, -4°; night, -6°; mostly clear
13
−4
−4
13 December, fri
−4
−4
Feels like
−12
752 mmHg
82%
6.3
m/s
N
0
Climate normal
+1
−1
13 December, Friday. day, -4°; night, -4°; partly cloudy
14
−4
−5
14 December, sat
−4
−5
Feels like
−13
749 mmHg
81%
7.7
m/s
NE
0
Climate normal
+2
−1
14 December, Saturday. day, -4°; night, -5°; overcast
15
−4
−6
15 December, sun
−4
−6
Feels like
−10
750 mmHg
79%
2.6
m/s
N
0
Climate normal
0
−2
15 December, Sunday. day, -4°; night, -6°; partly cloudy
16
−4
−7
16 December, mon
−4
−7
Feels like
−11
749 mmHg
81%
3
m/s
NW
0
Climate normal
−1
−3
16 December, Monday. day, -4°; night, -7°; mostly clear
17
−2
−1
17 December, tue
−2
−1
Feels like
−13
742 mmHg
85%
8.4
m/s
SW
0
Climate normal
0
−2
17 December, Tuesday. day, -2°; night, -1°; light snow
18
0
−2
18 December, wed
0
−2
Feels like
−9
742 mmHg
90%
7.5
m/s
W
0
Climate normal
0
−1
18 December, Wednesday. day, 0°; night, -2°; partly cloudy
19
+1
+2
19 December, thu
+1
+2
Feels like
−6
741 mmHg
95%
5
m/s
SE
0
Climate normal
0
−3
19 December, Thursday. day, 1°; night, 2°; sleet
20
+7
+2
20 December, fri
+7
+2
Feels like
−2
736 mmHg
96%
9.8
m/s
SW
+6
Climate normal
0
−2
20 December, Friday. day, 7°; night, 2°; rain
21
+3
+1
21 December, sat
+3
+1
Feels like
−5
747 mmHg
86%
6.9
m/s
NW
+2
Climate normal
+1
0
21 December, Saturday. day, 3°; night, 1°; partly cloudy
22
+1
−2
22 December, sun
+1
−2
Feels like
−5
748 mmHg
93%
5.1
m/s
N
0
Climate normal
+1
−1
22 December, Sunday. day, 1°; night, -2°; sleet
23
−2
−4
23 December, mon
−2
−4
Feels like
−10
754 mmHg
85%
5.6
m/s
N
0
Climate normal
0
−1
23 December, Monday. day, -2°; night, -4°; partly cloudy
24
0
+1
24 December, tue
0
+1
Feels like
−7
750 mmHg
82%
4.8
m/s
SE
0
Climate normal
+1
−1
24 December, Tuesday. day, 0°; night, 1°; partly cloudy
25
+7
−1
25 December, wed
+7
−1
Feels like
−3
739 mmHg
95%
6.9
m/s
NW
+5
Climate normal
−1
−2
25 December, Wednesday. day, 7°; night, -1°; sleet
26
−1
−3
26 December, thu
−1
−3
Feels like
−8
749 mmHg
73%
5
m/s
NW
0
Climate normal
+1
−2
26 December, Thursday. day, -1°; night, -3°; partly cloudy
Average data for 10 years
Next, the average data for 10 years
27
−1
−2
27 December, fri
−1
−2
Feels like
−8
746 mmHg
81%
9.6
m/s
W
+3
27 December, Friday. day, -1°; night, -2°; overcast
28
−1
−2
28 December, sat
−1
−2
Feels like
−8
745 mmHg
82%
8.8
m/s
W
+3
28 December, Saturday. day, -1°; night, -2°; overcast
Average for 30 days
2
sunny days
11
days with precipitation
17
cloudy days
2 sunny days; 11 days with precipitation; 17 cloudy days;
79
%
air humidity
6
m/s
Wind
W
10
mm of precipitation
(2% of annual average)
+3
°C
Water temperature
air humidity 79%; 10 millimeters of precipitation (2% of annual average); Wind westerly 6 Meters per second; Water temperature +3°
Forecast in graphs
Temperature
Water temperature
Humidity, %
Wind, m/s
Pressure, mmHg
SW
NW
W
W
W
W
W
W
W
NW
W
W
SW
NW
NW
NE
N
NE
N
NW
SW
W
SE
SW
NW
N
N
SE
NW
NW
27
Average data for 10 years
28
29
30
1
December
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
Daytime temperature
Night-time temperature
