Hourly Weather Forecast - Williamstown, PA

9 AM
10°F
0%
2mph
SSE
Sunny
Humidity
80%
Feels like
10°F
Dew Point
5°F
10 AM
14°F
0%
4mph
SSE
Mostly Sunny
Humidity
65%
Feels like
8°F
Dew Point
4°F
11 AM
17°F
0%
5mph
S
Partly Cloudy
Humidity
55%
Feels like
9°F
Dew Point
4°F
12 PM
19°F
0%
6mph
S
Mostly Cloudy
Humidity
49%
Feels like
11°F
Dew Point
3°F
1 PM
21°F
0%
7mph
S
Mostly Cloudy
Humidity
45%
Feels like
12°F
Dew Point
3°F
2 PM
23°F
0%
7mph
S
Partly Cloudy
Humidity
43%
Feels like
14°F
Dew Point
4°F
3 PM
24°F
0%
8mph
S
Mostly Cloudy
Humidity
44%
Feels like
15°F
Dew Point
5°F
4 PM
24°F
0%
8mph
S
Mostly Cloudy
Humidity
46%
Feels like
16°F
Dew Point
6°F
4:39 PM
5 PM
24°F
0%
8mph
S
Mostly Cloudy
Humidity
48%
Feels like
15°F
Dew Point
8°F
6 PM
24°F
0%
9mph
S
Mostly Cloudy
Humidity
52%
Feels like
14°F
Dew Point
9°F
7 PM
24°F
0%
9mph
S
Mostly Cloudy
Humidity
57%
Feels like
15°F
Dew Point
11°F
8 PM
25°F
0%
9mph
S
Mostly Cloudy
Humidity
61%
Feels like
15°F
Dew Point
13°F
9 PM
25°F
0%
9mph
S
Mostly Cloudy
Humidity
61%
Feels like
16°F
Dew Point
14°F
10 PM
25°F
0%
8mph
S
Mostly Cloudy
Humidity
68%
Feels like
16°F
Dew Point
16°F
11 PM
25°F
0%
7mph
S
Mostly Cloudy
Humidity
72%
Feels like
17°F
Dew Point
17°F

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

A fast-moving series of atmospheric rivers continue to drench the Pacific Northwest today through Thursday.

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

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