Hourly Weather Forecast - Saint Peters, PA

12 AM
20°F
0%
6mph
W
Clear
Humidity
66%
Feels like
12°F
Dew Point
11°F
1 AM
21°F
0%
5mph
W
Clear
Humidity
63%
Feels like
14°F
Dew Point
11°F
2 AM
22°F
0%
5mph
W
Clear
Humidity
63%
Feels like
16°F
Dew Point
11°F
3 AM
23°F
0%
4mph
W
Clear
Humidity
61%
Feels like
17°F
Dew Point
11°F
4 AM
23°F
0%
3mph
W
Clear
Humidity
60%
Feels like
19°F
Dew Point
11°F
5 AM
24°F
0%
3mph
W
Clear
Humidity
60%
Feels like
24°F
Dew Point
12°F
6 AM
24°F
0%
3mph
W
Clear
Humidity
60%
Feels like
24°F
Dew Point
13°F
7 AM
26°F
0%
2mph
W
Clear
Humidity
59%
Feels like
26°F
Dew Point
13°F
7:21 AM
8 AM
27°F
0%
2mph
W
Mostly Sunny
Humidity
61%
Feels like
27°F
Dew Point
16°F
9 AM
29°F
0%
2mph
W
Mostly Sunny
Humidity
56%
Feels like
29°F
Dew Point
16°F
10 AM
32°F
0%
1mph
W
Partly Cloudy
Humidity
50%
Feels like
32°F
Dew Point
16°F
11 AM
34°F
0%
1mph
W
Partly Cloudy
Humidity
45%
Feels like
34°F
Dew Point
15°F
12 PM
36°F
0%
1mph
WSW
Partly Cloudy
Humidity
41%
Feels like
36°F
Dew Point
14°F
1 PM
37°F
0%
1mph
SW
Partly Cloudy
Humidity
40%
Feels like
37°F
Dew Point
15°F
2 PM
36°F
0%
1mph
SW
Partly Cloudy
Humidity
43%
Feels like
36°F
Dew Point
16°F
3 PM
35°F
0%
1mph
SSW
Partly Cloudy
Humidity
46%
Feels like
35°F
Dew Point
16°F
4 PM
33°F
0%
2mph
S
Partly Cloudy
Humidity
52%
Feels like
33°F
Dew Point
17°F
4:39 PM
5 PM
32°F
0%
2mph
S
Mostly Clear
Humidity
56%
Feels like
32°F
Dew Point
18°F
6 PM
31°F
0%
2mph
S
Mostly Clear
Humidity
59%
Feels like
31°F
Dew Point
18°F
7 PM
30°F
0%
3mph
S
Partly Cloudy
Humidity
63%
Feels like
30°F
Dew Point
19°F
8 PM
30°F
0%
3mph
S
Mostly Clear
Humidity
65%
Feels like
26°F
Dew Point
20°F
9 PM
30°F
0%
4mph
S
Mostly Clear
Humidity
67%
Feels like
26°F
Dew Point
20°F
10 PM
30°F
0%
4mph
SSW
Mostly Clear
Humidity
69%
Feels like
26°F
Dew Point
22°F
11 PM
31°F
0%
4mph
SSW
Mostly Clear
Humidity
71%
Feels like
26°F
Dew Point
23°F

Forecast Peak Wind Gusts Today

High Winds, Rain, and Snow Cross the Country

A clipper moving over the Great Lakes brings rain, snow, and high winds through the Atlantic Coastline.

Rainfall and Snowfall Totals Through Friday

Atmospheric River Symptoms Repeat in the Northwest

Thursday's Weather Outlook

Today's Weather Outlook

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

How to Measure Snow via NWS

How To Measure Snow

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