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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
17
+7
+4
17 November, sun
+7
+4
Feels like
0
745 mmHg
73%
9.1
m/s
SW
+8
17 November, Sunday. day, 7°; night, 4°; overcast
18
+7
+4
18 November, mon
+7
+4
Feels like
0
747 mmHg
74%
8.6
m/s
SW
+8
18 November, Monday. day, 7°; night, 4°; overcast
19
+5
+4
19 November, tue
+5
+4
Feels like
−1
747 mmHg
73%
8.1
m/s
SW
+8
19 November, Tuesday. day, 5°; night, 4°; overcast
20
+5
+2
20 November, wed
+5
+2
Feels like
−1
748 mmHg
80%
7.5
m/s
W
+8
20 November, Wednesday. day, 5°; night, 2°; rain
21
+5
+3
21 November, thu
+5
+3
Feels like
−1
748 mmHg
77%
8.5
m/s
W
+8
21 November, Thursday. day, 5°; night, 3°; clear
22
+5
+3
22 November, fri
+5
+3
Feels like
−2
748 mmHg
75%
8
m/s
W
+7
22 November, Friday. day, 5°; night, 3°; rain
23
November
+8
+4
23 November, sat
+8
+4
Feels like
+1
741 mmHg
75%
7.1
m/s
NW
+10
Climate normal
+5
+2
23 November, Saturday. day, 8°; night, 4°; overcast
24
+7
+5
24 November, sun
+7
+5
Feels like
+2
744 mmHg
80%
3.1
m/s
SW
+10
Climate normal
+6
+3
24 November, Sunday. day, 7°; night, 5°; overcast
25
+9
+5
25 November, mon
+9
+5
Feels like
+5
740 mmHg
88%
3.2
m/s
S
+9
Climate normal
+5
+3
25 November, Monday. day, 9°; night, 5°; light rain
26
+4
0
26 November, tue
+4
0
Feels like
−5
742 mmHg
74%
8.9
m/s
W
+9
Climate normal
+4
+4
26 November, Tuesday. day, 4°; night, 0°; light rain
27
+4
0
27 November, wed
+4
0
Feels like
−3
744 mmHg
73%
4.3
m/s
W
+9
Climate normal
+3
0
27 November, Wednesday. day, 4°; night, 0°; overcast
28
+4
0
28 November, thu
+4
0
Feels like
−1
743 mmHg
73%
3.2
m/s
NW
+9
Climate normal
+4
+2
28 November, Thursday. day, 4°; night, 0°; overcast
29
+2
−2
29 November, fri
+2
−2
Feels like
−5
744 mmHg
77%
4.6
m/s
W
+8
Climate normal
+7
+3
29 November, Friday. day, 2°; night, -2°; sleet
30
+1
−2
30 November, sat
+1
−2
Feels like
−7
747 mmHg
71%
6.1
m/s
W
+8
Climate normal
+5
+3
30 November, Saturday. day, 1°; night, -2°; partly cloudy
1 December
0
−3
1 December, sun
0
−3
Feels like
−8
747 mmHg
73%
5.7
m/s
W
+7
Climate normal
+3
+1
1 December, Sunday. day, 0°; night, -3°; sleet
2
−1
−5
2 December, mon
−1
−5
Feels like
−9
746 mmHg
69%
6.1
m/s
W
+7
Climate normal
+4
+3
2 December, Monday. day, -1°; night, -5°; partly cloudy
3
−1
−4
3 December, tue
−1
−4
Feels like
−10
750 mmHg
64%
6.1
m/s
W
0
Climate normal
+5
+3
3 December, Tuesday. day, -1°; night, -4°; overcast
4
+1
−2
4 December, wed
+1
−2
Feels like
−7
747 mmHg
77%
5.2
m/s
SW
0
Climate normal
+5
+5
4 December, Wednesday. day, 1°; night, -2°; overcast
5
0
−8
5 December, thu
0
−8
Feels like
−10
748 mmHg
80%
6
m/s
W
0
Climate normal
+1
−1
5 December, Thursday. day, 0°; night, -8°; partly cloudy
6
−8
−9
6 December, fri
−8
−9
Feels like
−19
745 mmHg
80%
10.3
m/s
W
0
Climate normal
0
−2
6 December, Friday. day, -8°; night, -9°; light snow
7
−5
−7
7 December, sat
−5
−7
Feels like
−15
750 mmHg
84%
9
m/s
NW
0
Climate normal
0
−2
7 December, Saturday. day, -5°; night, -7°; light snow
8
−5
−7
8 December, sun
−5
−7
Feels like
−13
755 mmHg
86%
6.2
m/s
NW
0
Climate normal
+1
0
8 December, Sunday. day, -5°; night, -7°; partly cloudy
9
−6
−8
9 December, mon
−6
−8
Feels like
−13
758 mmHg
87%
3.3
m/s
SW
0
Climate normal
−1
−2
9 December, Monday. day, -6°; night, -8°; partly cloudy
10
−4
−5
10 December, tue
−4
−5
Feels like
−11
751 mmHg
88%
3.9
m/s
S
0
Climate normal
0
−2
10 December, Tuesday. day, -4°; night, -5°; partly cloudy
11
−2
−3
11 December, wed
−2
−3
Feels like
−8
745 mmHg
92%
2.9
m/s
SE
0
Climate normal
0
−3
11 December, Wednesday. day, -2°; night, -3°; light snow
12
−1
−3
12 December, thu
−1
−3
Feels like
−7
741 mmHg
93%
3.4
m/s
NW
0
Climate normal
+1
−2
12 December, Thursday. day, -1°; night, -3°; light snow
13
−7
−13
13 December, fri
−7
−13
Feels like
−20
740 mmHg
89%
11.1
m/s
W
0
Climate normal
+1
−1
13 December, Friday. day, -7°; night, -13°; light snow
14
−12
−12
14 December, sat
−12
−12
Feels like
−22
748 mmHg
88%
8.4
m/s
W
0
Climate normal
+2
−1
14 December, Saturday. day, -12°; night, -12°; partly cloudy
15
−11
−12
15 December, sun
−11
−12
Feels like
−20
755 mmHg
88%
6.9
m/s
W
0
Climate normal
0
−2
15 December, Sunday. day, -11°; night, -12°; partly cloudy
16
−7
−7
16 December, mon
−7
−7
Feels like
−17
753 mmHg
85%
8.3
m/s
SW
0
Climate normal
−1
−3
16 December, Monday. day, -7°; night, -7°; mostly clear
17
−3
−2
17 December, tue
−3
−2
Feels like
−12
750 mmHg
90%
6
m/s
SW
0
Climate normal
0
−2
17 December, Tuesday. day, -3°; night, -2°; light snow
18
0
0
18 December, wed
0
0
Feels like
−5
747 mmHg
97%
3.6
m/s
SW
0
Climate normal
0
−1
18 December, Wednesday. day, 0°; night, 0°; partly cloudy
19
0
0
19 December, thu
0
0
Feels like
−5
745 mmHg
98%
4.9
m/s
N
0
Climate normal
0
−3
19 December, Thursday. day, 0°; night, 0°; sleet
20
−2
−8
20 December, fri
−2
−8
Feels like
−12
747 mmHg
93%
7.9
m/s
NE
0
Climate normal
0
−2
20 December, Friday. day, -2°; night, -8°; partly cloudy
21
−6
−9
21 December, sat
−6
−9
Feels like
−15
744 mmHg
93%
5.2
m/s
NE
0
Climate normal
+1
0
21 December, Saturday. day, -6°; night, -9°; partly cloudy
Average for 30 days
1
sunny day
11
days with precipitation
18
cloudy days
1 sunny day; 11 days with precipitation; 18 cloudy days;
83
%
air humidity
5.8
m/s
Wind
W
9
mm of precipitation
(2% of annual average)
+3
°C
Water temperature
air humidity 83%; 9 millimeters of precipitation (2% of annual average); Wind westerly 5.8 Meters per second; Water temperature +3°
Forecast in graphs
Temperature
Water temperature
Humidity, %
Wind, m/s
Pressure, mmHg
NW
SW
S
W
W
NW
W
W
W
W
W
SW
W
W
NW
NW
SW
S
SE
NW
W
W
W
SW
SW
SW
N
NE
NE
SW
23
Average data for 10 years
24
25
26
27
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
Daytime temperature
Night-time temperature
