Weather Forecast for St Louis
Illinois, United States of America
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Current Weather - St Louis: 28°C
Current Weather - St Louis: 28°C
Illinois, United States of America
Sunny
Feels like 29°C
Wind
15 km/h SSW
Humidity
57%
Pressure
1017 mb
UV Index
1
Visibility
10 km
Sunny
Tuesday, September 15, 2026
High
37°C
Low
24°C
Rain Chance
57%
Hourly Forecast
35°C
34°C
33°C
31°C
29°C
27°C
26°C
26°C
Day Statistics
Maximum Wind
18 km/h
Humidity
56%
Precipitation
2 mm
UV Index
7
Visibility
10 km
Rain Chance
57%
Snow Chance
0%
Sun & Moon
Sunrise
06:42 AM
Sunset
07:09 PM
Moonrise
11:48 AM
Moonset
09:23 PM
Moon Phase
Waxing Crescent
Moon Illumination
23%
Air Quality
PM2.5
7.7
μg/m³
PM10
8.3
μg/m³
NO₂
8.7
μg/m³
O₃
86.3
μg/m³
SO₂
2.8
μg/m³
CO
167.5
μg/m³
Sunny
Wednesday, September 16, 2026
High
36°C
Low
23°C
Rain Chance
57%
Hourly Forecast
26°C
25°C
25°C
25°C
24°C
24°C
23°C
24°C
24°C
25°C
27°C
30°C
32°C
34°C
35°C
36°C
36°C
36°C
35°C
34°C
29°C
31°C
31°C
31°C
Day Statistics
Maximum Wind
16 km/h
Humidity
63%
Precipitation
1 mm
UV Index
7
Visibility
10 km
Rain Chance
57%
Snow Chance
0%
Sun & Moon
Sunrise
06:43 AM
Sunset
07:07 PM
Moonrise
12:55 PM
Moonset
10:05 PM
Moon Phase
First Quarter
Moon Illumination
32%
Air Quality
PM2.5
8.3
μg/m³
PM10
8.7
μg/m³
NO₂
11.8
μg/m³
O₃
94.8
μg/m³
SO₂
2.8
μg/m³
CO
171.8
μg/m³
Sunny
Thursday, September 17, 2026
High
37°C
Low
26°C
Rain Chance
57%
Hourly Forecast
30°C
29°C
29°C
28°C
28°C
27°C
27°C
26°C
27°C
29°C
31°C
33°C
34°C
36°C
36°C
37°C
37°C
37°C
36°C
35°C
28°C
27°C
28°C
29°C
Day Statistics
Maximum Wind
21 km/h
Humidity
53%
Precipitation
2 mm
UV Index
9
Visibility
10 km
Rain Chance
57%
Snow Chance
0%
Sun & Moon
Sunrise
06:44 AM
Sunset
07:06 PM
Moonrise
01:57 PM
Moonset
10:54 PM
Moon Phase
First Quarter
Moon Illumination
42%
Air Quality
PM2.5
9.3
μg/m³
PM10
9.6
μg/m³
NO₂
11.7
μg/m³
O₃
103.4
μg/m³
SO₂
2.6
μg/m³
CO
176.2
μg/m³
Sunny
Friday, September 18, 2026
High
37°C
Low
25°C
Rain Chance
36%
Hourly Forecast
27°C
26°C
26°C
26°C
26°C
25°C
25°C
25°C
26°C
28°C
30°C
32°C
34°C
36°C
37°C
37°C
37°C
37°C
35°C
33°C
33°C
31°C
31°C
30°C
Day Statistics
Maximum Wind
16 km/h
Humidity
55%
Precipitation
0 mm
UV Index
9
Visibility
10 km
Rain Chance
36%
Snow Chance
0%
Sun & Moon
Sunrise
06:44 AM
Sunset
07:04 PM
Moonrise
02:51 PM
Moonset
11:49 PM
Moon Phase
First Quarter
Moon Illumination
53%
Air Quality
PM2.5
8.3
μg/m³
PM10
8.6
μg/m³
NO₂
11.2
μg/m³
O₃
84.9
μg/m³
SO₂
2.1
μg/m³
CO
244.3
μg/m³
Overcast
Saturday, September 19, 2026
High
38°C
Low
28°C
Rain Chance
6%
Hourly Forecast
30°C
29°C
29°C
29°C
29°C
29°C
28°C
28°C
28°C
30°C
32°C
34°C
35°C
36°C
37°C
38°C
38°C
38°C
37°C
36°C
34°C
33°C
32°C
32°C
Day Statistics
Maximum Wind
17 km/h
Humidity
35%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
6%
Snow Chance
0%
Sun & Moon
Sunrise
06:45 AM
Sunset
07:03 PM
Moonrise
03:37 PM
Moonset
Does not set today
Moon Phase
First Quarter
Moon Illumination
63%
Air Quality
PM2.5
8
μg/m³
PM10
8.2
μg/m³
NO₂
8.3
μg/m³
O₃
80.1
μg/m³
SO₂
2
μg/m³
CO
300.4
μg/m³
Overcast
Sunday, September 20, 2026
High
36°C
Low
26°C
Rain Chance
5%
Hourly Forecast
31°C
30°C
30°C
29°C
29°C
28°C
27°C
26°C
27°C
29°C
30°C
31°C
33°C
35°C
35°C
35°C
36°C
35°C
34°C
33°C
33°C
32°C
31°C
30°C
Day Statistics
Maximum Wind
12 km/h
Humidity
35%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
5%
Snow Chance
0%
Sun & Moon
Sunrise
06:46 AM
Sunset
07:01 PM
Moonrise
04:15 PM
Moonset
12:48 AM
Moon Phase
Waxing Gibbous
Moon Illumination
73%
Patchy rain nearby
Monday, September 21, 2026
High
30°C
Low
21°C
Rain Chance
57%
Hourly Forecast
30°C
29°C
27°C
25°C
23°C
23°C
23°C
22°C
23°C
25°C
26°C
27°C
27°C
28°C
28°C
29°C
29°C
28°C
27°C
26°C
24°C
23°C
22°C
21°C
Day Statistics
Maximum Wind
21 km/h
Humidity
60%
Precipitation
1 mm
UV Index
7
Visibility
10 km
Rain Chance
57%
Snow Chance
0%
Sun & Moon
Sunrise
06:47 AM
Sunset
06:59 PM
Moonrise
04:47 PM
Moonset
01:49 AM
Moon Phase
Waxing Gibbous
Moon Illumination
82%
Solar Radiation Data
Shortwave Radiation
180.84
Diffuse Radiation
48.53
DNI
0
GTI
0
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