Hourly Weather Forecast - Carnegie, PA

9 AM
42°F
80%
11mph
SW
80% Chance of Light Rain
Humidity
60%
Feels like
36°F
Dew Point
29°F
10 AM
41°F
100%
11mph
SW
Light Rain
Humidity
68%
Feels like
35°F
Dew Point
31°F
11 AM
40°F
100%
11mph
SW
Light Rain
Humidity
74%
Feels like
33°F
Dew Point
32°F
12 PM
39°F
90%
11mph
SW
Light Rain
Humidity
80%
Feels like
32°F
Dew Point
33°F
1 PM
38°F
60%
11mph
SW
60% Chance of Light Rain
Humidity
82%
Feels like
31°F
Dew Point
33°F
2 PM
38°F
40%
10mph
SW
40% Chance of Light Rain
Humidity
83%
Feels like
31°F
Dew Point
33°F
3 PM
38°F
40%
9mph
SW
40% Chance of Light Rain
Humidity
84%
Feels like
31°F
Dew Point
34°F
4 PM
38°F
50%
9mph
SW
50% Chance Frozen Mix
Humidity
85%
Feels like
31°F
Dew Point
34°F
4:53 PM
5 PM
37°F
40%
9mph
SW
40% Chance Frozen Mix
Humidity
88%
Feels like
31°F
Dew Point
34°F
6 PM
37°F
30%
9mph
WSW
30% Chance Frozen Mix
Humidity
89%
Feels like
30°F
Dew Point
34°F
7 PM
36°F
40%
9mph
WSW
40% Chance Frozen Mix
Humidity
90%
Feels like
29°F
Dew Point
33°F
8 PM
35°F
30%
9mph
W
30% Chance of Flurries
Humidity
92%
Feels like
28°F
Dew Point
33°F
9 PM
33°F
20%
8mph
WNW
Cloudy
Humidity
93%
Feels like
27°F
Dew Point
31°F
10 PM
32°F
20%
8mph
NW
Cloudy
Humidity
92%
Feels like
25°F
Dew Point
30°F
11 PM
31°F
30%
8mph
NW
30% Chance Frozen Mix
Humidity
87%
Feels like
23°F
Dew Point
27°F

Snow and ice forecast through Friday A.M.

Multiple Snow Threats Across the Northern U.S.

Multiple systems will bring snow across the Northern U.S. through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak the Northwest

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide