Hourly Weather Forecast - Saint Marys, PA

12 AM
26°F
0%
4mph
NW
Partly Cloudy
Humidity
78%
Feels like
21°F
Dew Point
20°F
1 AM
25°F
0%
4mph
NW
Partly Cloudy
Humidity
78%
Feels like
20°F
Dew Point
20°F
2 AM
25°F
0%
4mph
NW
Partly Cloudy
Humidity
79%
Feels like
20°F
Dew Point
19°F
3 AM
24°F
0%
3mph
NW
Partly Cloudy
Humidity
80%
Feels like
19°F
Dew Point
19°F
4 AM
22°F
0%
3mph
NW
Partly Cloudy
Humidity
82%
Feels like
22°F
Dew Point
18°F
5 AM
22°F
0%
2mph
NW
Partly Cloudy
Humidity
85%
Feels like
22°F
Dew Point
18°F
6 AM
21°F
0%
2mph
NW
Partly Cloudy
Humidity
85%
Feels like
21°F
Dew Point
18°F
7 AM
22°F
0%
2mph
NW
Partly Cloudy
Humidity
84%
Feels like
22°F
Dew Point
18°F
7:11 AM
8 AM
25°F
0%
2mph
NW
Partly Cloudy
Humidity
77%
Feels like
25°F
Dew Point
19°F
9 AM
29°F
0%
1mph
W
Mostly Cloudy
Humidity
66%
Feels like
29°F
Dew Point
19°F
10 AM
33°F
0%
2mph
SW
Mostly Cloudy
Humidity
55%
Feels like
33°F
Dew Point
19°F
11 AM
37°F
0%
4mph
SW
Mostly Cloudy
Humidity
47%
Feels like
34°F
Dew Point
19°F
12 PM
40°F
0%
5mph
SW
Mostly Cloudy
Humidity
41%
Feels like
37°F
Dew Point
18°F
1 PM
43°F
0%
6mph
SW
Cloudy
Humidity
36%
Feels like
39°F
Dew Point
18°F
2 PM
45°F
0%
7mph
SW
Cloudy
Humidity
33%
Feels like
41°F
Dew Point
18°F
3 PM
47°F
0%
7mph
SW
Cloudy
Humidity
32%
Feels like
43°F
Dew Point
18°F
4 PM
47°F
0%
8mph
WSW
Cloudy
Humidity
32%
Feels like
43°F
Dew Point
18°F
5 PM
46°F
0%
7mph
WSW
Cloudy
Humidity
34%
Feels like
42°F
Dew Point
19°F
6 PM
44°F
0%
6mph
WSW
Cloudy
Humidity
38%
Feels like
40°F
Dew Point
20°F
7 PM
41°F
0%
5mph
WSW
Cloudy
Humidity
45%
Feels like
37°F
Dew Point
21°F
7:30 PM
8 PM
38°F
10%
4mph
WSW
Mostly Cloudy
Humidity
52%
Feels like
35°F
Dew Point
22°F
9 PM
36°F
10%
3mph
WSW
Mostly Cloudy
Humidity
58%
Feels like
34°F
Dew Point
23°F
10 PM
34°F
10%
3mph
WSW
Partly Cloudy
Humidity
62%
Feels like
32°F
Dew Point
23°F
11 PM
33°F
30%
3mph
WSW
30% Chance Rain Showers
Humidity
65%
Feels like
30°F
Dew Point
22°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?

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide