Hourly Weather Forecast - Northumberland, PA

12 PM
31°F
70%
5mph
S
70% Chance of Heavy Snow
Humidity
97%
Feels like
26°F
Dew Point
30°F
1 PM
31°F
70%
5mph
S
70% Chance of Heavy Snow
Humidity
100%
Feels like
26°F
Dew Point
31°F
2 PM
31°F
80%
5mph
S
80% Chance of Heavy Snow
Humidity
100%
Feels like
26°F
Dew Point
31°F
3 PM
31°F
80%
5mph
SSW
80% Chance of Heavy Snow
Humidity
100%
Feels like
26°F
Dew Point
31°F
4 PM
32°F
50%
5mph
SSW
50% Chance of Heavy Snow
Humidity
100%
Feels like
27°F
Dew Point
32°F
4:39 PM
5 PM
32°F
30%
5mph
SSW
30% Chance of Snow
Humidity
100%
Feels like
27°F
Dew Point
32°F
6 PM
33°F
20%
6mph
SSW
Foggy
Humidity
99%
Feels like
28°F
Dew Point
33°F
7 PM
35°F
10%
6mph
SSW
Mostly Cloudy
Humidity
97%
Feels like
30°F
Dew Point
34°F
8 PM
35°F
10%
6mph
SW
Mostly Cloudy
Humidity
93%
Feels like
30°F
Dew Point
34°F
9 PM
36°F
10%
6mph
SW
Mostly Cloudy
Humidity
90%
Feels like
31°F
Dew Point
33°F
10 PM
36°F
10%
7mph
SW
Mostly Cloudy
Humidity
87%
Feels like
31°F
Dew Point
33°F
11 PM
36°F
10%
8mph
WSW
Mostly Cloudy
Humidity
84%
Feels like
30°F
Dew Point
32°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

Thursday's Weather Outlook

Thursday'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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Outdoor Sports Guide