Hourly Weather Forecast - Affton, MO

12 AM
29°F
0%
5mph
NNW
Partly Cloudy
Humidity
73%
Feels like
23°F
Dew Point
21°F
1 AM
28°F
0%
5mph
NNW
Partly Cloudy
Humidity
73%
Feels like
22°F
Dew Point
21°F
2 AM
28°F
0%
5mph
NNW
Partly Cloudy
Humidity
74%
Feels like
22°F
Dew Point
20°F
3 AM
27°F
0%
5mph
N
Partly Cloudy
Humidity
74%
Feels like
22°F
Dew Point
20°F
4 AM
27°F
0%
4mph
N
Partly Cloudy
Humidity
74%
Feels like
22°F
Dew Point
20°F
5 AM
27°F
0%
4mph
N
Partly Cloudy
Humidity
73%
Feels like
22°F
Dew Point
19°F
6 AM
26°F
0%
3mph
NNE
Partly Cloudy
Humidity
73%
Feels like
23°F
Dew Point
19°F
7 AM
27°F
0%
3mph
NE
Partly Cloudy
Humidity
71%
Feels like
27°F
Dew Point
19°F
7:10 AM
8 AM
28°F
0%
3mph
ENE
Partly Cloudy
Humidity
69%
Feels like
24°F
Dew Point
19°F
9 AM
30°F
0%
4mph
E
Partly Cloudy
Humidity
65%
Feels like
26°F
Dew Point
19°F
10 AM
31°F
0%
4mph
ENE
Partly Cloudy
Humidity
62%
Feels like
28°F
Dew Point
20°F
11 AM
33°F
0%
4mph
ENE
Partly Cloudy
Humidity
60%
Feels like
30°F
Dew Point
21°F
12 PM
35°F
0%
4mph
ENE
Partly Cloudy
Humidity
58%
Feels like
31°F
Dew Point
21°F
1 PM
35°F
0%
4mph
NE
Partly Cloudy
Humidity
57%
Feels like
32°F
Dew Point
22°F
2 PM
36°F
10%
5mph
NNE
Mostly Cloudy
Humidity
58%
Feels like
31°F
Dew Point
22°F
3 PM
35°F
10%
6mph
NNE
Mostly Cloudy
Humidity
58%
Feels like
30°F
Dew Point
22°F
4 PM
33°F
20%
6mph
NNE
Mostly Cloudy
Humidity
59%
Feels like
27°F
Dew Point
21°F
4:40 PM
5 PM
32°F
20%
7mph
NNE
Cloudy
Humidity
60%
Feels like
25°F
Dew Point
20°F
6 PM
30°F
20%
7mph
N
Cloudy
Humidity
60%
Feels like
23°F
Dew Point
18°F
7 PM
28°F
20%
7mph
N
Cloudy
Humidity
60%
Feels like
21°F
Dew Point
16°F
8 PM
27°F
20%
7mph
N
Cloudy
Humidity
60%
Feels like
19°F
Dew Point
15°F
9 PM
24°F
20%
8mph
N
Cloudy
Humidity
61%
Feels like
16°F
Dew Point
13°F
10 PM
22°F
10%
8mph
N
Mostly Cloudy
Humidity
62%
Feels like
13°F
Dew Point
11°F
11 PM
20°F
10%
7mph
N
Partly Cloudy
Humidity
63%
Feels like
11°F
Dew Point
10°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

Wednesday's Weather Outlook

Wednesday's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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Traffic Cameras

Weather Cameras

Outdoor Sports Guide