Hourly Weather Forecast - Saint Peters, PA

12 AM
33°F
0%
2mph
SSW
Mostly Cloudy
Humidity
70%
Feels like
33°F
Dew Point
24°F
1 AM
31°F
0%
2mph
SSW
Mostly Cloudy
Humidity
75%
Feels like
31°F
Dew Point
24°F
2 AM
30°F
0%
2mph
SSW
Mostly Cloudy
Humidity
80%
Feels like
30°F
Dew Point
24°F
3 AM
29°F
0%
1mph
SSW
Mostly Cloudy
Humidity
83%
Feels like
29°F
Dew Point
25°F
4 AM
29°F
0%
1mph
SSW
Cloudy
Humidity
84%
Feels like
29°F
Dew Point
25°F
5 AM
31°F
0%
1mph
SSW
Cloudy
Humidity
83%
Feels like
31°F
Dew Point
26°F
6 AM
32°F
0%
1mph
SSW
Cloudy
Humidity
81%
Feels like
32°F
Dew Point
27°F
6:58 AM
7 AM
35°F
0%
1mph
SSW
Mostly Cloudy
Humidity
77%
Feels like
35°F
Dew Point
28°F
8 AM
38°F
0%
1mph
SSW
Mostly Cloudy
Humidity
68%
Feels like
38°F
Dew Point
29°F
9 AM
42°F
0%
2mph
SSW
Mostly Cloudy
Humidity
60%
Feels like
42°F
Dew Point
29°F
10 AM
46°F
0%
2mph
SW
Mostly Cloudy
Humidity
53%
Feels like
46°F
Dew Point
29°F
11 AM
48°F
0%
2mph
SW
Mostly Cloudy
Humidity
48%
Feels like
48°F
Dew Point
30°F
12 PM
51°F
0%
2mph
SW
Cloudy
Humidity
45%
Feels like
51°F
Dew Point
30°F
1 PM
53°F
10%
2mph
SW
Cloudy
Humidity
43%
Feels like
53°F
Dew Point
31°F
2 PM
55°F
10%
3mph
SW
Cloudy
Humidity
41%
Feels like
55°F
Dew Point
32°F
3 PM
56°F
10%
3mph
SW
Cloudy
Humidity
41%
Feels like
56°F
Dew Point
32°F
4 PM
56°F
10%
3mph
SW
Cloudy
Humidity
42%
Feels like
56°F
Dew Point
33°F
5 PM
55°F
10%
3mph
SW
Cloudy
Humidity
44%
Feels like
55°F
Dew Point
33°F
6 PM
53°F
10%
2mph
SSW
Cloudy
Humidity
48%
Feels like
53°F
Dew Point
33°F
7 PM
49°F
10%
2mph
SSW
Cloudy
Humidity
54%
Feels like
49°F
Dew Point
34°F
7:19 PM
8 PM
47°F
30%
1mph
SSW
30% Chance of Light Rain
Humidity
62%
Feels like
47°F
Dew Point
34°F
9 PM
44°F
30%
1mph
SSW
30% Chance of Light Rain
Humidity
69%
Feels like
44°F
Dew Point
35°F
10 PM
43°F
30%
2mph
SSW
30% Chance of Light Rain
Humidity
75%
Feels like
43°F
Dew Point
35°F
11 PM
41°F
10%
2mph
SSW
Cloudy
Humidity
80%
Feels like
41°F
Dew Point
35°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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