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
87°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
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87°F
4 PM
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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
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74°F
10 AM
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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.