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Monthly weather forecast in St. Louis
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
18
+29
+23
18 August, sun
+29
+23
Feels like
+31
748 mmHg
55%
3.7
m/s
S
18 August, Sunday. day, 29°; night, 23°; clear
19
+29
+23
19 August, mon
+29
+23
Feels like
+30
749 mmHg
52%
3.5
m/s
S
19 August, Monday. day, 29°; night, 23°; clear
20
+29
+23
20 August, tue
+29
+23
Feels like
+30
749 mmHg
52%
4.5
m/s
SW
20 August, Tuesday. day, 29°; night, 23°; clear
21
+28
+23
21 August, wed
+28
+23
Feels like
+29
751 mmHg
56%
4.1
m/s
SW
21 August, Wednesday. day, 28°; night, 23°; partly cloudy
22
+29
+22
22 August, thu
+29
+22
Feels like
+30
751 mmHg
52%
4
m/s
SE
22 August, Thursday. day, 29°; night, 22°; rain
23
August
+30
+24
23 August, fri
+30
+24
Feels like
+28
753 mmHg
57%
3.2
m/s
SE
Climate normal
+29
+22
23 August, Friday. day, 30°; night, 24°; partly cloudy
24
+33
+23
24 August, sat
+33
+23
Feels like
+32
752 mmHg
56%
4.1
m/s
S
Climate normal
+29
+23
24 August, Saturday. day, 33°; night, 23°; partly cloudy
25
+34
+24
25 August, sun
+34
+24
Feels like
+32
752 mmHg
48%
3.3
m/s
S
Climate normal
+29
+22
25 August, Sunday. day, 34°; night, 24°; overcast
26
+36
+25
26 August, mon
+36
+25
Feels like
+34
752 mmHg
45%
3.1
m/s
SW
Climate normal
+29
+23
26 August, Monday. day, 36°; night, 25°; partly cloudy
27
+37
+25
27 August, tue
+37
+25
Feels like
+37
750 mmHg
49%
3.2
m/s
W
Climate normal
+29
+22
27 August, Tuesday. day, 37°; night, 25°; mostly clear
28
+35
+24
28 August, wed
+35
+24
Feels like
+34
750 mmHg
59%
3.1
m/s
E
Climate normal
+29
+23
28 August, Wednesday. day, 35°; night, 24°; partly cloudy
29
+33
+23
29 August, thu
+33
+23
Feels like
+31
750 mmHg
63%
3.6
m/s
SE
Climate normal
+29
+22
29 August, Thursday. day, 33°; night, 23°; partly cloudy
30
+30
+21
30 August, fri
+30
+21
Feels like
+28
749 mmHg
67%
3.7
m/s
NW
Climate normal
+29
+23
30 August, Friday. day, 30°; night, 21°; rain
31
+28
+18
31 August, sat
+28
+18
Feels like
+27
750 mmHg
67%
4
m/s
N
Climate normal
+28
+23
31 August, Saturday. day, 28°; night, 18°; clear
1 September
+29
+18
1 September, sun
+29
+18
Feels like
+26
750 mmHg
63%
2.8
m/s
E
Climate normal
+28
+22
1 September, Sunday. day, 29°; night, 18°; clear
2
+29
+21
2 September, mon
+29
+21
Feels like
+26
749 mmHg
59%
4
m/s
NE
Climate normal
+28
+22
2 September, Monday. day, 29°; night, 21°; partly cloudy
3
+30
+21
3 September, tue
+30
+21
Feels like
+25
749 mmHg
55%
4.1
m/s
W
Climate normal
+27
+22
3 September, Tuesday. day, 30°; night, 21°; partly cloudy
4
+31
+20
4 September, wed
+31
+20
Feels like
+26
749 mmHg
51%
3.7
m/s
W
Climate normal
+26
+21
4 September, Wednesday. day, 31°; night, 20°; partly cloudy
5
+25
+20
5 September, thu
+25
+20
Feels like
+23
744 mmHg
78%
3
m/s
E
Climate normal
+26
+20
5 September, Thursday. day, 25°; night, 20°; mostly clear
6
+29
+22
6 September, fri
+29
+22
Feels like
+26
743 mmHg
64%
3.1
m/s
E
Climate normal
+26
+20
6 September, Friday. day, 29°; night, 22°; clear
7
+32
+25
7 September, sat
+32
+25
Feels like
+28
742 mmHg
57%
2.4
m/s
SE
Climate normal
+27
+21
7 September, Saturday. day, 32°; night, 25°; clear
8
+32
+23
8 September, sun
+32
+23
Feels like
+28
741 mmHg
50%
2.6
m/s
S
Climate normal
+25
+21
8 September, Sunday. day, 32°; night, 23°; partly cloudy
9
+35
+23
9 September, mon
+35
+23
Feels like
+31
740 mmHg
53%
Calm m/s
Climate normal
+25
+20
9 September, Monday. day, 35°; night, 23°; clear
10
+27
+20
10 September, tue
+27
+20
Feels like
+24
740 mmHg
76%
5.1
m/s
NE
Climate normal
+24
+19
10 September, Tuesday. day, 27°; night, 20°; partly cloudy
11
+22
+19
11 September, wed
+22
+19
Feels like
+18
740 mmHg
76%
5
m/s
NE
Climate normal
+24
+18
11 September, Wednesday. day, 22°; night, 19°; mostly clear
12
+22
+18
12 September, thu
+22
+18
Feels like
+18
741 mmHg
65%
4.6
m/s
NE
Climate normal
+25
+18
12 September, Thursday. day, 22°; night, 18°; partly cloudy
13
+25
+18
13 September, fri
+25
+18
Feels like
+19
739 mmHg
70%
5.8
m/s
NE
Climate normal
+25
+18
13 September, Friday. day, 25°; night, 18°; mostly clear
14
+23
+16
14 September, sat
+23
+16
Feels like
+16
736 mmHg
60%
6.2
m/s
N
Climate normal
+24
+19
14 September, Saturday. day, 23°; night, 16°; partly cloudy
15
+22
+13
15 September, sun
+22
+13
Feels like
+15
737 mmHg
60%
4.6
m/s
N
Climate normal
+23
+19
15 September, Sunday. day, 22°; night, 13°; partly cloudy
16
+22
+14
16 September, mon
+22
+14
Feels like
+16
738 mmHg
66%
4.1
m/s
NW
Climate normal
+23
+18
16 September, Monday. day, 22°; night, 14°; partly cloudy
17
+22
+11
17 September, tue
+22
+11
Feels like
+16
742 mmHg
70%
4.5
m/s
N
Climate normal
+25
+19
17 September, Tuesday. day, 22°; night, 11°; clear
18
+25
+19
18 September, wed
+25
+19
Feels like
+19
746 mmHg
72%
1.8
m/s
NE
Climate normal
+24
+21
18 September, Wednesday. day, 25°; night, 19°; mostly clear
19
+25
+18
19 September, thu
+25
+18
Feels like
+21
744 mmHg
66%
2.1
m/s
SE
Climate normal
+25
+20
19 September, Thursday. day, 25°; night, 18°; clear
20
+19
+17
20 September, fri
+19
+17
Feels like
+16
739 mmHg
55%
2.2
m/s
SE
Climate normal
+25
+20
20 September, Friday. day, 19°; night, 17°; rain
21
+24
+17
21 September, sat
+24
+17
Feels like
+18
737 mmHg
55%
3.2
m/s
S
Climate normal
+24
+19
21 September, Saturday. day, 24°; night, 17°; clear
Average for 30 days
14
sunny days
1
day with precipitation
15
cloudy days
14 sunny days; 1 day with precipitation; 15 cloudy days;
61
%
air humidity
3.5
m/s
Wind
NE
6
mm of precipitation
(1% of annual average)
air humidity 61%; 6 millimeters of precipitation (1% of annual average); Wind north-easterly 3.5 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
SE
S
S
SW
W
E
SE
NW
N
E
NE
W
W
E
E
SE
S
NE
NE
NE
NE
N
N
NW
N
NE
SE
SE
S
23
Average data for 10 years
24
25
26
27
28
29
30
31
1
September
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
Daytime temperature
Night-time temperature
