Hourly Weather Forecast - Saint Peters, MO

12 AM
63°F
0%
2mph
NE
Mostly Clear
Humidity
59%
Feels like
63°F
Dew Point
48°F
1 AM
60°F
0%
1mph
ENE
Mostly Clear
Humidity
63%
Feels like
60°F
Dew Point
48°F
2 AM
58°F
0%
1mph
ENE
Mostly Clear
Humidity
67%
Feels like
58°F
Dew Point
47°F
3 AM
56°F
0%
1mph
ENE
Clear
Humidity
74%
Feels like
56°F
Dew Point
47°F
4 AM
54°F
0%
1mph
NE
Clear
Humidity
80%
Feels like
54°F
Dew Point
48°F
5 AM
52°F
0%
1mph
ENE
Clear
Humidity
85%
Feels like
52°F
Dew Point
47°F
6 AM
52°F
0%
1mph
E
Mostly Clear
Humidity
83%
Feels like
52°F
Dew Point
47°F
7 AM
54°F
0%
1mph
ESE
Clear
Humidity
78%
Feels like
54°F
Dew Point
47°F
7:04 AM
8 AM
58°F
0%
1mph
ESE
Sunny
Humidity
72%
Feels like
58°F
Dew Point
49°F
9 AM
62°F
0%
1mph
ESE
Sunny
Humidity
64%
Feels like
62°F
Dew Point
50°F
10 AM
66°F
0%
1mph
SE
Sunny
Humidity
56%
Feels like
66°F
Dew Point
51°F
11 AM
71°F
0%
1mph
SE
Sunny
Humidity
50%
Feels like
71°F
Dew Point
51°F
12 PM
75°F
0%
1mph
SSE
Sunny
Humidity
44%
Feels like
75°F
Dew Point
52°F
1 PM
79°F
0%
1mph
SSE
Sunny
Humidity
41%
Feels like
79°F
Dew Point
53°F
2 PM
82°F
0%
1mph
S
Sunny
Humidity
37%
Feels like
81°F
Dew Point
53°F
3 PM
84°F
0%
1mph
SSW
Sunny
Humidity
34%
Feels like
83°F
Dew Point
53°F
4 PM
85°F
0%
2mph
SSW
Sunny
Humidity
32%
Feels like
83°F
Dew Point
52°F
5 PM
84°F
0%
2mph
SSW
Sunny
Humidity
34%
Feels like
82°F
Dew Point
52°F
6 PM
81°F
0%
2mph
S
Sunny
Humidity
37%
Feels like
80°F
Dew Point
52°F
7 PM
78°F
0%
3mph
S
Sunny
Humidity
43%
Feels like
78°F
Dew Point
54°F
7:15 PM
8 PM
75°F
0%
3mph
S
Clear
Humidity
46%
Feels like
75°F
Dew Point
53°F
9 PM
73°F
0%
4mph
S
Clear
Humidity
49%
Feels like
73°F
Dew Point
53°F
10 PM
71°F
0%
4mph
S
Clear
Humidity
53%
Feels like
71°F
Dew Point
53°F
11 PM
70°F
0%
5mph
S
Clear
Humidity
55%
Feels like
70°F
Dew Point
53°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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