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
88°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.