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in O Fallon mainly cloudy, no precipitation, +23 °C

O Fallon 14-Day Weather Forecast

Air temperature, °C

+23
+16
+27
+13
+27
+17
+26
+20
+24
+16
+25
+15
+22
+15
+20
+14
+29
+18
+27
+15
+23
+14
+19
+13
+23
+15
+23
+17

Real feel, °C

+23
+16
+27
+13
+27
+17
+26
+20
+24
+16
+25
+15
+22
+15
+20
+14
+29
+18
+27
+15
+23
+14
+19
+13
+23
+15
+23
+17

Average daily temperature, °C

+19
+20
+22
+22
+20
+20
+19
+18
+23
+21
+19
+16
+19
+20

Average wind speed, m/s

7
4
3
6
5
4
4
5
6
6
6
5
5
5

Wind gusts, m/s

9
8
7
15
10
7
7
10
13
14
13
9
13
14

Wind direction

NW
W
NW
W
N
W
NW
E
W
W
W
NW
SW
W

Precipitation in liquid equivalent, mm

19.3
0
3.8
6.1
0
0.1
0
0
6.5
0.9
0
1.7
39.6
0
0
0
0
0
0
0
0
0

Pressure, mmHg

745
743
747
744
747
744
744
743
749
745
748
746
750
747
747
741
741
735
741
736
744
741
745
743
744
743
744
743

Relative humidity, %

90
86
84
87
86
78
90
85
85
85
60
69
82
83
12
7
4
8
10
3
10
9
7
7
6
3
3
3
3
2
4
4
3
3
3
3
3
2
2
2
2
2