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Chesterfield, MO Weather

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

Updated Jul 29, 2026, 4:05 PM local time · Radar refreshes every 5 minutes

☀️
Chesterfield
Clear
88°F
Feels like 90°F
Wind 9 mph
Humidity 41%
Cloud cover 0%
UV index 8
Alerts 0

Active alerts

No active National Weather Service alerts for Chesterfield, MO.

Chesterfield weather radar

Light Heavy

Next 24 hours

Now
☀️
88°F
 
5 PM
☀️
88°F
 
6 PM
☀️
88°F
 
7 PM
☀️
86°F
 
8 PM
☀️
82°F
 
9 PM
☀️
79°F
 
10 PM
☀️
76°F
 
11 PM
☀️
74°F
 
12 AM
☀️
73°F
 
1 AM
☀️
71°F
 
2 AM
☀️
70°F
 
3 AM
☀️
69°F
 
4 AM
☀️
67°F
 
5 AM
☀️
66°F
 
6 AM
☀️
66°F
 
7 AM
☀️
67°F
 
8 AM
🌤️
73°F
 
9 AM
☁️
78°F
 
10 AM
☀️
82°F
 
11 AM
🌤️
85°F
 
12 PM
☀️
87°F
 
1 PM
☀️
89°F
 
2 PM
☁️
91°F
 
3 PM
☁️
92°F
 

7-day forecast

Today
Jul 29
☁️
88°F
72°F
1%
Thu
Jul 30
☁️
92°F
66°F
Fri
Jul 31
🌧️
88°F
71°F
78%
Sat
Aug 1
🌦️
73°F
67°F
78%
Sun
Aug 2
☁️
82°F
65°F
14%
Mon
Aug 3
☀️
85°F
62°F
16%
Tue
Aug 4
🌤️
90°F
66°F
13%

Weather near Chesterfield

5 mi Ballwin, MO6 mi Manchester, MO7 mi Wildwood, MO8 mi Creve Coeur, MO9 mi Maryland Heights, MO10 mi Saint Charles, MO10 mi Saint Peters, MO11 mi Kirkwood, 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.