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January weather forecast in O'Fallon
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
31
+8
0
31 December, sun
+8
0
Feels like
+3
754 mmHg
66%
6.4
m/s
SW
31 December, Sunday. day, 8°; night, 0°; clear
1
+1
−2
1 January, mon
+1
−2
Feels like
−5
755 mmHg
63%
7
m/s
W
1 January, Monday. day, 1°; night, -2°; clear
2
−1
−4
2 January, tue
−1
−4
Feels like
−6
757 mmHg
73%
5.6
m/s
W
2 January, Tuesday. day, -1°; night, -4°; partly cloudy
3
+2
−3
3 January, wed
+2
−3
Feels like
−3
755 mmHg
75%
5
m/s
S
3 January, Wednesday. day, 2°; night, -3°; clear
4
+1
−1
4 January, thu
+1
−1
Feels like
−5
756 mmHg
67%
6.1
m/s
W
4 January, Thursday. day, 1°; night, -1°; partly cloudy
5
+1
−3
5 January, fri
+1
−3
Feels like
−5
754 mmHg
68%
5.6
m/s
SW
5 January, Friday. day, 1°; night, -3°; clear
6
0
−2
6 January, sat
0
−2
Feels like
−5
752 mmHg
68%
5.6
m/s
W
6 January, Saturday. day, 0°; night, -2°; overcast
7
+2
−2
7 January, sun
+2
−2
Feels like
−4
753 mmHg
72%
6.6
m/s
W
7 January, Sunday. day, 2°; night, -2°; rain
8
+1
−2
8 January, mon
+1
−2
Feels like
−4
754 mmHg
72%
6
m/s
W
8 January, Monday. day, 1°; night, -2°; clear
9
+2
−2
9 January, tue
+2
−2
Feels like
−4
756 mmHg
74%
5.1
m/s
SW
9 January, Tuesday. day, 2°; night, -2°; overcast
10
+3
−1
10 January, wed
+3
−1
Feels like
−2
752 mmHg
75%
6.5
m/s
S
10 January, Wednesday. day, 3°; night, -1°; clear
11
+6
+1
11 January, thu
+6
+1
Feels like
+1
749 mmHg
76%
6.5
m/s
SW
11 January, Thursday. day, 6°; night, 1°; overcast
12
+2
+2
12 January, fri
+2
+2
Feels like
−3
753 mmHg
77%
7
m/s
W
12 January, Friday. day, 2°; night, 2°; partly cloudy
13
−1
−4
13 January, sat
−1
−4
Feels like
−6
756 mmHg
70%
5.6
m/s
W
13 January, Saturday. day, -1°; night, -4°; partly cloudy
14
+2
−3
14 January, sun
+2
−3
Feels like
−3
754 mmHg
75%
5.4
m/s
W
14 January, Sunday. day, 2°; night, -3°; partly cloudy
15
0
−2
15 January, mon
0
−2
Feels like
−5
755 mmHg
68%
5.5
m/s
W
15 January, Monday. day, 0°; night, -2°; snow
16
+4
−2
16 January, tue
+4
−2
Feels like
−1
752 mmHg
75%
5.5
m/s
S
16 January, Tuesday. day, 4°; night, -2°; overcast
17
+2
+2
17 January, wed
+2
+2
Feels like
−4
750 mmHg
75%
6.9
m/s
W
17 January, Wednesday. day, 2°; night, 2°; overcast
18
+3
−2
18 January, thu
+3
−2
Feels like
−1
752 mmHg
69%
5
m/s
W
18 January, Thursday. day, 3°; night, -2°; partly cloudy
19
+2
−1
19 January, fri
+2
−1
Feels like
−3
751 mmHg
73%
5.5
m/s
W
19 January, Friday. day, 2°; night, -1°; clear
20
+1
−1
20 January, sat
+1
−1
Feels like
−4
751 mmHg
75%
4.8
m/s
N
20 January, Saturday. day, 1°; night, -1°; overcast
21
+1
−2
21 January, sun
+1
−2
Feels like
−5
752 mmHg
67%
5.8
m/s
NW
21 January, Sunday. day, 1°; night, -2°; partly cloudy
22
+1
−2
22 January, mon
+1
−2
Feels like
−4
751 mmHg
75%
5.1
m/s
NW
22 January, Monday. day, 1°; night, -2°; overcast
23
+2
−1
23 January, tue
+2
−1
Feels like
−3
752 mmHg
75%
5.5
m/s
W
23 January, Tuesday. day, 2°; night, -1°; partly cloudy
24
+1
−2
24 January, wed
+1
−2
Feels like
−4
753 mmHg
64%
5.8
m/s
SW
24 January, Wednesday. day, 1°; night, -2°; partly cloudy
25
+2
−1
25 January, thu
+2
−1
Feels like
−3
749 mmHg
73%
6.5
m/s
W
25 January, Thursday. day, 2°; night, -1°; overcast
26
+2
−2
26 January, fri
+2
−2
Feels like
−4
751 mmHg
75%
6
m/s
W
26 January, Friday. day, 2°; night, -2°; clear
27
+2
−2
27 January, sat
+2
−2
Feels like
−3
753 mmHg
72%
5.9
m/s
W
27 January, Saturday. day, 2°; night, -2°; partly cloudy
28
+4
0
28 January, sun
+4
0
Feels like
−1
752 mmHg
73%
6.4
m/s
SW
28 January, Sunday. day, 4°; night, 0°; rain
29
+6
+3
29 January, mon
+6
+3
Feels like
0
750 mmHg
68%
7.8
m/s
SW
29 January, Monday. day, 6°; night, 3°; clear
30
+6
0
30 January, tue
+6
0
Feels like
+1
750 mmHg
68%
6.5
m/s
SW
30 January, Tuesday. day, 6°; night, 0°; clear
31
+5
+2
31 January, wed
+5
+2
Feels like
+1
751 mmHg
72%
6
m/s
SW
31 January, Wednesday. day, 5°; night, 2°; rain
1
+3
+1
1 February, thu
+3
+1
Feels like
−2
751 mmHg
81%
6.6
m/s
NW
1 February, Thursday. day, 3°; night, 1°; overcast
2
+2
−1
2 February, fri
+2
−1
Feels like
−3
754 mmHg
74%
6.8
m/s
NW
2 February, Friday. day, 2°; night, -1°; partly cloudy
3
+1
−2
3 February, sat
+1
−2
Feels like
−5
756 mmHg
69%
5.9
m/s
NW
3 February, Saturday. day, 1°; night, -2°; partly cloudy
Average data for 10 years
O'Fallon January
9
sunny days
4
days with precipitation
18
cloudy days
9 sunny days; 4 days with precipitation; 18 cloudy days;
72
%
air humidity
4.3
m/s
Wind
W
43
mm of precipitation
(6% of annual average)
air humidity 72%; 43 millimeters of precipitation (6% of annual average); Wind westerly 4.3 Meters per second
Weather graphs for January
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
W
W
S
W
SW
W
W
W
SW
S
SW
W
W
W
W
S
W
W
W
N
NW
NW
W
SW
W
W
W
SW
SW
SW
SW
1
Average data for 10 years
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
27
28
29
30
31
Daytime temperature
Night-time temperature
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