Hourly Weather Forecast - Saint Peters, PA

12 AM
38°F
10%
2mph
SSW
Cloudy
Humidity
88%
Feels like
38°F
Dew Point
35°F
1 AM
36°F
10%
2mph
SSW
Cloudy
Humidity
96%
Feels like
36°F
Dew Point
35°F
2 AM
33°F
10%
1mph
SSW
Foggy
Humidity
100%
Feels like
33°F
Dew Point
33°F
3 AM
32°F
10%
1mph
S
Foggy
Humidity
100%
Feels like
32°F
Dew Point
32°F
4 AM
32°F
10%
1mph
S
Foggy
Humidity
100%
Feels like
32°F
Dew Point
32°F
5 AM
33°F
10%
1mph
S
Foggy
Humidity
100%
Feels like
33°F
Dew Point
33°F
6 AM
34°F
20%
1mph
S
Foggy
Humidity
100%
Feels like
34°F
Dew Point
34°F
6:57 AM
7 AM
36°F
20%
1mph
S
Cloudy
Humidity
97%
Feels like
36°F
Dew Point
35°F
8 AM
38°F
20%
1mph
SSE
Cloudy
Humidity
89%
Feels like
38°F
Dew Point
35°F
9 AM
42°F
20%
1mph
S
Cloudy
Humidity
79%
Feels like
42°F
Dew Point
36°F
10 AM
47°F
20%
1mph
S
Mostly Cloudy
Humidity
68%
Feels like
47°F
Dew Point
37°F
11 AM
51°F
20%
2mph
S
Partly Cloudy
Humidity
60%
Feels like
51°F
Dew Point
38°F
12 PM
55°F
20%
2mph
S
Partly Cloudy
Humidity
55%
Feels like
55°F
Dew Point
39°F
1 PM
57°F
10%
2mph
SSW
Partly Cloudy
Humidity
52%
Feels like
57°F
Dew Point
40°F
2 PM
60°F
10%
2mph
SSW
Partly Cloudy
Humidity
50%
Feels like
60°F
Dew Point
41°F
3 PM
61°F
10%
2mph
SSW
Mostly Cloudy
Humidity
50%
Feels like
61°F
Dew Point
42°F
4 PM
62°F
10%
2mph
SW
Mostly Cloudy
Humidity
51%
Feels like
62°F
Dew Point
44°F
5 PM
62°F
10%
3mph
SW
Cloudy
Humidity
54%
Feels like
62°F
Dew Point
45°F
6 PM
59°F
20%
2mph
SW
Cloudy
Humidity
59%
Feels like
59°F
Dew Point
45°F
7 PM
56°F
20%
2mph
SW
Cloudy
Humidity
65%
Feels like
56°F
Dew Point
45°F
7:21 PM
8 PM
54°F
30%
2mph
SSW
30% Chance of Light Rain
Humidity
70%
Feels like
54°F
Dew Point
44°F
9 PM
52°F
30%
2mph
SW
30% Chance of Light Rain
Humidity
73%
Feels like
52°F
Dew Point
44°F
10 PM
51°F
40%
2mph
SW
40% Chance of Light Rain
Humidity
74%
Feels like
51°F
Dew Point
43°F
11 PM
50°F
40%
2mph
WSW
40% Chance of Light Rain
Humidity
76%
Feels like
50°F
Dew Point
43°F

Today's High Temperature Outlook

Early Spring Heat Wave Zaps Southwest

Much of the Southwest will observe record-breaking heat through the weekend, with high temperatures reminiscent of mid-summer!

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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