Hourly Weather Forecast - Saint Peters, MO

12 AM
50°F
10%
2mph
SSE
Mostly Clear
Humidity
60%
Feels like
50°F
Dew Point
36°F
1 AM
48°F
10%
1mph
SSE
Mostly Clear
Humidity
63%
Feels like
48°F
Dew Point
36°F
2 AM
46°F
10%
1mph
SSE
Mostly Clear
Humidity
66%
Feels like
46°F
Dew Point
36°F
3 AM
44°F
10%
1mph
SSE
Mostly Clear
Humidity
71%
Feels like
44°F
Dew Point
36°F
4 AM
42°F
10%
1mph
SSE
Partly Cloudy
Humidity
78%
Feels like
42°F
Dew Point
36°F
5 AM
41°F
10%
1mph
SSE
Partly Cloudy
Humidity
83%
Feels like
41°F
Dew Point
36°F
6 AM
41°F
10%
1mph
SSE
Partly Cloudy
Humidity
84%
Feels like
41°F
Dew Point
36°F
6:58 AM
7 AM
43°F
10%
1mph
SSE
Partly Cloudy
Humidity
80%
Feels like
43°F
Dew Point
37°F
8 AM
47°F
20%
2mph
SSE
Partly Cloudy
Humidity
73%
Feels like
47°F
Dew Point
39°F
9 AM
52°F
20%
2mph
SSE
Partly Cloudy
Humidity
66%
Feels like
52°F
Dew Point
40°F
10 AM
56°F
20%
3mph
SSE
Partly Cloudy
Humidity
59%
Feels like
56°F
Dew Point
42°F
11 AM
60°F
10%
3mph
SSE
Partly Cloudy
Humidity
52%
Feels like
60°F
Dew Point
42°F
12 PM
63°F
10%
4mph
S
Mostly Sunny
Humidity
46%
Feels like
63°F
Dew Point
42°F
1 PM
66°F
0%
4mph
S
Mostly Sunny
Humidity
43%
Feels like
66°F
Dew Point
43°F
2 PM
68°F
0%
5mph
S
Mostly Sunny
Humidity
41%
Feels like
68°F
Dew Point
44°F
3 PM
69°F
0%
5mph
S
Sunny
Humidity
39%
Feels like
69°F
Dew Point
44°F
4 PM
70°F
0%
5mph
S
Sunny
Humidity
40%
Feels like
70°F
Dew Point
44°F
5 PM
69°F
0%
5mph
S
Sunny
Humidity
41%
Feels like
69°F
Dew Point
44°F
6 PM
67°F
0%
5mph
SSE
Sunny
Humidity
43%
Feels like
67°F
Dew Point
44°F
7 PM
65°F
0%
5mph
SSE
Sunny
Humidity
47%
Feels like
65°F
Dew Point
45°F
7:19 PM
8 PM
63°F
0%
5mph
SSE
Clear
Humidity
52%
Feels like
63°F
Dew Point
45°F
9 PM
62°F
0%
5mph
S
Clear
Humidity
56%
Feels like
62°F
Dew Point
46°F
10 PM
61°F
0%
5mph
S
Clear
Humidity
61%
Feels like
61°F
Dew Point
47°F
11 PM
60°F
30%
5mph
S
30% Chance Rain Showers
Humidity
65%
Feels like
60°F
Dew Point
48°F

Saturday's High Temperature Outlook

Scorching Heat Continues Across the Southwest

Dozens of record high temperatures will be challenged or shattered across the Southwest today.

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for March 19, 2026

Active Weather, Drought Improvements for Eastern Half; Drying Persists Elsewhere

(Image provided by Pixabay.com)

Lightning Safety

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

Story image: WeatherBug user Pat S. captures a plant blooming in Columbia, Md., on February 24, 2017.

When Does Spring Begin?

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