Hourly Weather Forecast - Williamstown, PA

6 AM
5°F
0%
1mph
E
Hazy
Humidity
91%
Feels like
5°F
Dew Point
3°F
7 AM
6°F
0%
1mph
SE
Clear
Humidity
89%
Feels like
6°F
Dew Point
4°F
7:18 AM
8 AM
9°F
0%
2mph
SSE
Sunny
Humidity
80%
Feels like
9°F
Dew Point
4°F
9 AM
13°F
0%
2mph
SSE
Sunny
Humidity
70%
Feels like
13°F
Dew Point
5°F
10 AM
17°F
0%
4mph
SSE
Partly Cloudy
Humidity
57%
Feels like
11°F
Dew Point
4°F
11 AM
19°F
0%
5mph
S
Mostly Cloudy
Humidity
49%
Feels like
12°F
Dew Point
3°F
12 PM
22°F
0%
6mph
S
Mostly Cloudy
Humidity
44%
Feels like
14°F
Dew Point
3°F
1 PM
24°F
0%
7mph
S
Partly Cloudy
Humidity
41%
Feels like
15°F
Dew Point
3°F
2 PM
25°F
0%
8mph
S
Partly Cloudy
Humidity
39%
Feels like
17°F
Dew Point
4°F
3 PM
26°F
0%
8mph
S
Mostly Cloudy
Humidity
40%
Feels like
18°F
Dew Point
5°F
4 PM
27°F
0%
8mph
S
Mostly Cloudy
Humidity
41%
Feels like
19°F
Dew Point
6°F
4:39 PM
5 PM
26°F
0%
8mph
S
Mostly Cloudy
Humidity
44%
Feels like
18°F
Dew Point
8°F
6 PM
26°F
0%
9mph
S
Mostly Cloudy
Humidity
48%
Feels like
17°F
Dew Point
9°F
7 PM
25°F
0%
9mph
S
Mostly Cloudy
Humidity
55%
Feels like
16°F
Dew Point
11°F
8 PM
25°F
0%
9mph
S
Mostly Cloudy
Humidity
60%
Feels like
16°F
Dew Point
13°F
9 PM
25°F
0%
9mph
S
Mostly Cloudy
Humidity
62%
Feels like
16°F
Dew Point
14°F
10 PM
26°F
0%
8mph
S
Cloudy
Humidity
66%
Feels like
17°F
Dew Point
16°F
11 PM
26°F
0%
7mph
S
Cloudy
Humidity
70%
Feels like
18°F
Dew Point
17°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy, Flooding Rain Impacts 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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Traffic Cameras

Weather Cameras

Outdoor Sports Guide