Hourly Weather Forecast - Saint Marys, PA

11 AM
18°F
30%
10mph
WSW
30% Chance of Snow
Humidity
73%
Feels like
6°F
Dew Point
11°F
12 PM
18°F
10%
11mph
WSW
Cloudy
Humidity
73%
Feels like
6°F
Dew Point
11°F
1 PM
18°F
30%
11mph
WSW
30% Chance of Snow
Humidity
74%
Feels like
6°F
Dew Point
11°F
2 PM
17°F
20%
10mph
WSW
Cloudy
Humidity
77%
Feels like
6°F
Dew Point
11°F
3 PM
17°F
30%
9mph
WSW
30% Chance of Heavy Snow
Humidity
80%
Feels like
6°F
Dew Point
12°F
4 PM
17°F
30%
8mph
SW
30% Chance of Snow
Humidity
79%
Feels like
6°F
Dew Point
11°F
4:45 PM
5 PM
16°F
30%
8mph
SW
30% Chance of Snow
Humidity
77%
Feels like
6°F
Dew Point
10°F
6 PM
16°F
0%
8mph
SW
Mostly Cloudy
Humidity
78%
Feels like
5°F
Dew Point
10°F
7 PM
15°F
0%
8mph
SW
Partly Cloudy
Humidity
80%
Feels like
4°F
Dew Point
10°F
8 PM
15°F
0%
8mph
SW
Partly Cloudy
Humidity
80%
Feels like
4°F
Dew Point
10°F
9 PM
13°F
0%
7mph
SW
Partly Cloudy
Humidity
79%
Feels like
2°F
Dew Point
8°F
10 PM
12°F
0%
7mph
SW
Mostly Clear
Humidity
81%
Feels like
2°F
Dew Point
8°F
11 PM
12°F
0%
7mph
WSW
Mostly Clear
Humidity
81%
Feels like
1°F
Dew Point
7°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide