Hourly Weather Forecast - Saint Peters, PA

7:20 AM
8 AM
24°F
0%
0mph
ESE
Hazy
Humidity
95%
Feels like
24°F
Dew Point
23°F
9 AM
29°F
0%
0mph
ESE
Sunny
Humidity
82%
Feels like
29°F
Dew Point
24°F
10 AM
34°F
0%
0mph
ESE
Sunny
Humidity
72%
Feels like
34°F
Dew Point
26°F
11 AM
38°F
0%
1mph
SE
Sunny
Humidity
65%
Feels like
38°F
Dew Point
28°F
12 PM
42°F
0%
1mph
SE
Sunny
Humidity
61%
Feels like
42°F
Dew Point
29°F
1 PM
44°F
0%
2mph
SE
Sunny
Humidity
62%
Feels like
44°F
Dew Point
31°F
2 PM
44°F
0%
2mph
SE
Mostly Sunny
Humidity
65%
Feels like
44°F
Dew Point
33°F
3 PM
44°F
0%
2mph
SE
Partly Cloudy
Humidity
71%
Feels like
44°F
Dew Point
35°F
4 PM
43°F
0%
2mph
SE
Partly Cloudy
Humidity
79%
Feels like
43°F
Dew Point
37°F
4:39 PM
5 PM
42°F
0%
2mph
SE
Partly Cloudy
Humidity
87%
Feels like
42°F
Dew Point
38°F
6 PM
41°F
0%
2mph
SE
Partly Cloudy
Humidity
92%
Feels like
41°F
Dew Point
38°F
7 PM
40°F
0%
2mph
SSE
Cloudy
Humidity
98%
Feels like
40°F
Dew Point
40°F
8 PM
40°F
10%
2mph
SSE
Cloudy
Humidity
97%
Feels like
40°F
Dew Point
40°F
9 PM
40°F
10%
2mph
SSE
Cloudy
Humidity
96%
Feels like
40°F
Dew Point
39°F
10 PM
41°F
10%
2mph
SSE
Cloudy
Humidity
96%
Feels like
41°F
Dew Point
40°F
11 PM
42°F
30%
3mph
SSE
30% Chance of Light Rain
Humidity
99%
Feels like
40°F
Dew Point
41°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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