Hourly Weather Forecast - Irwin, PA

10 AM
43°F
80%
19mph
SW
80% Chance of Light Rain
Humidity
68%
Feels like
35°F
Dew Point
33°F
11 AM
42°F
90%
19mph
SW
Light Rain
Humidity
76%
Feels like
33°F
Dew Point
35°F
12 PM
40°F
100%
19mph
SW
Light Rain
Humidity
85%
Feels like
31°F
Dew Point
36°F
1 PM
39°F
100%
18mph
SW
Frozen Mix
Humidity
91%
Feels like
29°F
Dew Point
36°F
2 PM
38°F
50%
17mph
SW
50% Chance of Light Rain
Humidity
93%
Feels like
29°F
Dew Point
37°F
3 PM
38°F
40%
17mph
SW
40% Chance of Light Rain
Humidity
94%
Feels like
29°F
Dew Point
37°F
4 PM
38°F
40%
16mph
SW
40% Chance of Light Rain
Humidity
94%
Feels like
29°F
Dew Point
36°F
4:52 PM
5 PM
38°F
40%
16mph
SW
40% Chance Frozen Mix
Humidity
93%
Feels like
29°F
Dew Point
36°F
6 PM
37°F
40%
16mph
WSW
40% Chance Frozen Mix
Humidity
93%
Feels like
28°F
Dew Point
35°F
7 PM
37°F
40%
15mph
WSW
40% Chance Frozen Mix
Humidity
93%
Feels like
27°F
Dew Point
35°F
8 PM
35°F
40%
14mph
W
40% Chance of Snow
Humidity
93%
Feels like
26°F
Dew Point
33°F
9 PM
34°F
30%
14mph
WNW
30% Chance of Snow
Humidity
91%
Feels like
25°F
Dew Point
32°F
10 PM
33°F
20%
14mph
NW
Cloudy
Humidity
90%
Feels like
23°F
Dew Point
30°F
11 PM
32°F
20%
14mph
NW
Cloudy
Humidity
86%
Feels like
22°F
Dew Point
28°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

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