NimbocastAffton, MO Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for Affton, Saint Louis County, Missouri.
Updated Jul 29, 2026, 3:42 PM local time · Radar refreshes every 5 minutes
☀️
Affton
87°F
Wind 8 mph
Humidity 43%
Cloud cover 0%
UV index 8
Alerts 0
Active alerts
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No active National Weather Service alerts for Affton, MO.
Affton weather radar
Light
Heavy
Next 24 hours
Now
☀️
87°F
4 PM
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87°F
5 PM
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86°F
6 PM
☀️
86°F
7 PM
☀️
84°F
8 PM
☀️
80°F
9 PM
☀️
78°F
10 PM
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76°F
11 PM
☀️
75°F
12 AM
☀️
73°F
1 AM
☀️
71°F
2 AM
☀️
70°F
3 AM
☀️
69°F
4 AM
☀️
68°F
5 AM
☀️
68°F
6 AM
☀️
67°F
7 AM
☀️
68°F
8 AM
🌤️
71°F
9 AM
☁️
74°F
10 AM
☀️
78°F
11 AM
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82°F
12 PM
☀️
85°F
1 PM
☁️
88°F
2 PM
☁️
90°F
7-day forecast
Today
Jul 29
🌤️
87°F
70°F
1%
Thu
Jul 30
☁️
91°F
67°F
Fri
Jul 31
🌧️
87°F
70°F
74%
Sat
Aug 1
🌦️
72°F
67°F
74%
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 Affton
2 mi
Concord, MO3 mi
Mehlville, MO3 mi
Webster Groves, MO3 mi
Lemay, MO5 mi
Kirkwood, MO6 mi
Oakville, MO6 mi
Clayton, MO7 mi
University City, 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.