10 day forecast
Monthly forecast
Weather map
City or area
Find
Sign up
Log in
Go to comparison
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
November
+11
+7
17 November, sun
+11
+7
Feels like
+3
743 mmHg
76%
6.5
m/s
S
+11
Climate normal
+7
+4
17 November, Sunday. day, 11°; night, 7°; light rain
18
+12
+7
18 November, mon
+12
+7
Feels like
+5
745 mmHg
70%
3.1
m/s
E
+11
Climate normal
+7
+4
18 November, Monday. day, 12°; night, 7°; partly cloudy
19
+12
+10
19 November, tue
+12
+10
Feels like
+5
739 mmHg
76%
7
m/s
SE
+11
Climate normal
+5
+4
19 November, Tuesday. day, 12°; night, 10°; light rain
20
+11
+4
20 November, wed
+11
+4
Feels like
+4
734 mmHg
86%
7.7
m/s
E
+11
Climate normal
+5
+2
20 November, Wednesday. day, 11°; night, 4°; rain
21
+5
+4
21 November, thu
+5
+4
Feels like
−2
729 mmHg
81%
5.5
m/s
W
+11
Climate normal
+5
+3
21 November, Thursday. day, 5°; night, 4°; light rain
22
+7
+5
22 November, fri
+7
+5
Feels like
0
736 mmHg
83%
6.5
m/s
NW
+10
Climate normal
+5
+3
22 November, Friday. day, 7°; night, 5°; rain
23
+6
+4
23 November, sat
+6
+4
Feels like
−3
740 mmHg
73%
8
m/s
NW
+10
Climate normal
+5
+2
23 November, Saturday. day, 6°; night, 4°; light rain
24
+6
+4
24 November, sun
+6
+4
Feels like
−1
744 mmHg
77%
5.8
m/s
W
+10
Climate normal
+6
+3
24 November, Sunday. day, 6°; night, 4°; light rain
25
+8
+6
25 November, mon
+8
+6
Feels like
0
744 mmHg
74%
6.4
m/s
SW
+9
Climate normal
+5
+3
25 November, Monday. day, 8°; night, 6°; overcast
26
+9
+6
26 November, tue
+9
+6
Feels like
+2
744 mmHg
75%
4.5
m/s
SW
+9
Climate normal
+4
+4
26 November, Tuesday. day, 9°; night, 6°; overcast
27
+5
+1
27 November, wed
+5
+1
Feels like
−2
743 mmHg
81%
5.7
m/s
NW
Climate normal
+3
0
27 November, Wednesday. day, 5°; night, 1°; overcast
28
+4
0
28 November, thu
+4
0
Feels like
−4
747 mmHg
77%
5.1
m/s
W
Climate normal
+4
+2
28 November, Thursday. day, 4°; night, 0°; overcast
29
+9
+3
29 November, fri
+9
+3
Feels like
−1
748 mmHg
79%
9
m/s
NW
Climate normal
+7
+3
29 November, Friday. day, 9°; night, 3°; rain
30
+7
+3
30 November, sat
+7
+3
Feels like
−2
749 mmHg
76%
5.7
m/s
SW
Climate normal
+5
+3
30 November, Saturday. day, 7°; night, 3°; clear
1 December
+9
+12
1 December, sun
+9
+12
Feels like
+1
743 mmHg
79%
6.2
m/s
SE
Climate normal
+3
+1
1 December, Sunday. day, 9°; night, 12°; clear
2
+14
+7
2 December, mon
+14
+7
Feels like
+5
734 mmHg
90%
10.6
m/s
SW
Climate normal
+4
+3
2 December, Monday. day, 14°; night, 7°; rain
3
+2
−7
3 December, tue
+2
−7
Feels like
−11
747 mmHg
70%
11
m/s
W
Climate normal
+5
+3
3 December, Tuesday. day, 2°; night, -7°; sleet
4
−6
−7
4 December, wed
−6
−7
Feels like
−16
754 mmHg
41%
7.2
m/s
W
Climate normal
+5
+5
4 December, Wednesday. day, -6°; night, -7°; clear
5
−4
−4
5 December, thu
−4
−4
Feels like
−13
755 mmHg
51%
5.8
m/s
NW
Climate normal
+1
−1
5 December, Thursday. day, -4°; night, -4°; mostly clear
6
−3
−5
6 December, fri
−3
−5
Feels like
−10
760 mmHg
64%
3.9
m/s
NE
Climate normal
0
−2
6 December, Friday. day, -3°; night, -5°; partly cloudy
7
−1
−2
7 December, sat
−1
−2
Feels like
−7
754 mmHg
59%
0.9
m/s
NW
Climate normal
0
−2
7 December, Saturday. day, -1°; night, -2°; mostly clear
8
+2
0
8 December, sun
+2
0
Feels like
−6
747 mmHg
47%
4.8
m/s
W
Climate normal
+1
0
8 December, Sunday. day, 2°; night, 0°; mostly clear
9
+3
+1
9 December, mon
+3
+1
Feels like
−4
745 mmHg
74%
3.4
m/s
W
Climate normal
−1
−2
9 December, Monday. day, 3°; night, 1°; partly cloudy
10
+5
+1
10 December, tue
+5
+1
Feels like
−2
747 mmHg
83%
2.4
m/s
NW
Climate normal
0
−2
10 December, Tuesday. day, 5°; night, 1°; partly cloudy
11
+5
+1
11 December, wed
+5
+1
Feels like
−1
747 mmHg
80%
3.1
m/s
NE
Climate normal
0
−3
11 December, Wednesday. day, 5°; night, 1°; partly cloudy
12
+2
0
12 December, thu
+2
0
Feels like
−4
747 mmHg
78%
3.6
m/s
NE
Climate normal
+1
−2
12 December, Thursday. day, 2°; night, 0°; partly cloudy
13
+2
−1
13 December, fri
+2
−1
Feels like
−8
743 mmHg
78%
8
m/s
NE
Climate normal
+1
−1
13 December, Friday. day, 2°; night, -1°; partly cloudy
14
+1
−2
14 December, sat
+1
−2
Feels like
−7
744 mmHg
78%
6.9
m/s
NE
Climate normal
+2
−1
14 December, Saturday. day, 1°; night, -2°; partly cloudy
15
+2
−1
15 December, sun
+2
−1
Feels like
−4
744 mmHg
74%
2
m/s
E
Climate normal
0
−2
15 December, Sunday. day, 2°; night, -1°; partly cloudy
16
+3
−1
16 December, mon
+3
−1
Feels like
−4
739 mmHg
73%
3.1
m/s
NE
Climate normal
−1
−3
16 December, Monday. day, 3°; night, -1°; partly cloudy
Average data for 10 years
Next, the average data for 10 years
17
0
−2
17 December, tue
0
−2
Feels like
−6
744 mmHg
85%
6.6
m/s
SW
+4
17 December, Tuesday. day, 0°; night, -2°; overcast
18
0
−1
18 December, wed
0
−1
Feels like
−6
745 mmHg
81%
7.8
m/s
W
+4
18 December, Wednesday. day, 0°; night, -1°; overcast
19
0
−3
19 December, thu
0
−3
Feels like
−6
748 mmHg
77%
6.4
m/s
NW
+4
19 December, Thursday. day, 0°; night, -3°; overcast
20
0
−2
20 December, fri
0
−2
Feels like
−5
744 mmHg
83%
6.9
m/s
S
+3
20 December, Friday. day, 0°; night, -2°; snow
21
+1
0
21 December, sat
+1
0
Feels like
−5
742 mmHg
86%
8.1
m/s
W
+3
21 December, Saturday. day, 1°; night, 0°; rain
Average for 30 days
6
sunny days
10
days with precipitation
14
cloudy days
6 sunny days; 10 days with precipitation; 14 cloudy days;
73
%
air humidity
5.6
m/s
Wind
W
14
mm of precipitation
(2% of annual average)
+10
°C
Water temperature
air humidity 73%; 14 millimeters of precipitation (2% of annual average); Wind westerly 5.6 Meters per second; Water temperature +10°
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
S
E
SE
E
W
NW
NW
W
SW
SW
NW
W
NW
SW
SE
SW
W
W
NW
NE
NW
W
W
NW
NE
NE
NE
NE
E
NE
17
Average data for 10 years
18
19
20
21
22
23
24
25
26
27
28
29
30
1
December
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Daytime temperature
Night-time temperature
