Hourly Weather Forecast - Northumberland, PA

12 AM
20°F
0%
3mph
SW
Cloudy
Humidity
74%
Feels like
20°F
Dew Point
13°F
1 AM
19°F
0%
3mph
WSW
Cloudy
Humidity
75%
Feels like
19°F
Dew Point
12°F
2 AM
18°F
0%
2mph
WSW
Partly Cloudy
Humidity
77%
Feels like
18°F
Dew Point
12°F
3 AM
17°F
0%
2mph
WSW
Partly Cloudy
Humidity
78%
Feels like
17°F
Dew Point
11°F
4 AM
16°F
0%
2mph
WSW
Partly Cloudy
Humidity
79%
Feels like
16°F
Dew Point
11°F
5 AM
15°F
0%
1mph
WSW
Partly Cloudy
Humidity
80%
Feels like
15°F
Dew Point
10°F
6 AM
15°F
0%
1mph
WSW
Partly Cloudy
Humidity
83%
Feels like
15°F
Dew Point
10°F
7 AM
15°F
0%
1mph
WSW
Mostly Clear
Humidity
83%
Feels like
15°F
Dew Point
11°F
7:25 AM
8 AM
17°F
0%
1mph
WSW
Mostly Sunny
Humidity
79%
Feels like
17°F
Dew Point
12°F
9 AM
20°F
0%
1mph
WSW
Mostly Sunny
Humidity
73%
Feels like
20°F
Dew Point
13°F
10 AM
23°F
0%
1mph
WSW
Mostly Sunny
Humidity
67%
Feels like
23°F
Dew Point
14°F
11 AM
26°F
0%
2mph
WSW
Partly Cloudy
Humidity
63%
Feels like
26°F
Dew Point
15°F
12 PM
28°F
0%
2mph
WSW
Partly Cloudy
Humidity
60%
Feels like
28°F
Dew Point
16°F
1 PM
29°F
0%
3mph
WSW
Partly Cloudy
Humidity
59%
Feels like
29°F
Dew Point
17°F
2 PM
29°F
0%
3mph
SW
Partly Cloudy
Humidity
60%
Feels like
29°F
Dew Point
17°F
3 PM
29°F
0%
3mph
SW
Partly Cloudy
Humidity
62%
Feels like
29°F
Dew Point
18°F
4 PM
28°F
0%
3mph
SSW
Partly Cloudy
Humidity
66%
Feels like
28°F
Dew Point
18°F
4:40 PM
5 PM
27°F
0%
3mph
S
Partly Cloudy
Humidity
69%
Feels like
27°F
Dew Point
18°F
6 PM
26°F
0%
2mph
S
Partly Cloudy
Humidity
71%
Feels like
26°F
Dew Point
18°F
7 PM
25°F
0%
2mph
S
Partly Cloudy
Humidity
72%
Feels like
25°F
Dew Point
18°F
8 PM
25°F
0%
2mph
S
Partly Cloudy
Humidity
72%
Feels like
25°F
Dew Point
17°F
9 PM
25°F
0%
3mph
S
Partly Cloudy
Humidity
71%
Feels like
25°F
Dew Point
17°F
10 PM
25°F
0%
3mph
S
Partly Cloudy
Humidity
72%
Feels like
25°F
Dew Point
17°F
11 PM
24°F
0%
2mph
S
Mostly Clear
Humidity
73%
Feels like
24°F
Dew Point
17°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

In the path of a weak low-pressure system that brings snow to the Midwest and Northeast, extreme cold weather and brutally cold wind chill values will bring a bitter cold to much of the Nation.

Snowfall forecast through Sunday evening.

Snow Spreads Across the Ohio Valley into the Mid-Atlantic

Weekend Weather Outlook

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

Cold Air Damming - Cause And Effects

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