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Clayton, MO Weather

Live radar, hourly and 7-day forecast, and National Weather Service alerts for Clayton, Saint Louis County, Missouri.

Updated Jul 29, 2026, 2:56 PM local time · Radar refreshes every 5 minutes

☀️
Clayton
Clear
87°F
Feels like 90°F
Wind 8 mph
Humidity 40%
Cloud cover 0%
UV index 8
Alerts 0

Active alerts

No active National Weather Service alerts for Clayton, MO.

Clayton weather radar

Light Heavy

Next 24 hours

Now
☀️
86°F
 
3 PM
☀️
87°F
 
4 PM
☀️
87°F
 
5 PM
☀️
87°F
 
6 PM
☀️
86°F
 
7 PM
☀️
85°F
 
8 PM
☀️
81°F
 
9 PM
☀️
78°F
 
10 PM
☀️
76°F
 
11 PM
☀️
74°F
 
12 AM
☀️
72°F
 
1 AM
☀️
71°F
 
2 AM
☀️
69°F
 
3 AM
☀️
68°F
 
4 AM
☀️
68°F
 
5 AM
☀️
67°F
 
6 AM
☀️
66°F
 
7 AM
☀️
67°F
 
8 AM
☀️
71°F
 
9 AM
☀️
74°F
 
10 AM
☀️
78°F
 
11 AM
83°F
 
12 PM
☁️
86°F
 
1 PM
☁️
89°F
 

7-day forecast

Today
Jul 29
87°F
69°F
1%
Thu
Jul 30
☁️
92°F
66°F
Fri
Jul 31
🌧️
87°F
70°F
72%
Sat
Aug 1
🌦️
72°F
67°F
72%
Sun
Aug 2
☁️
83°F
66°F
15%
Mon
Aug 3
☀️
86°F
65°F
14%
Tue
Aug 4
🌤️
88°F
67°F
11%

Weather near Clayton

1 mi University City, MO4 mi Webster Groves, MO5 mi Creve Coeur, MO5 mi Overland, MO6 mi Kirkwood, MO6 mi Affton, MO7 mi St. Louis, MO7 mi Ferguson, MO
Alerts are relayed from the National Weather Service and may lag the official source. In a life-threatening situation always follow weather.gov and local emergency broadcasts.