Hourly Weather Forecast - Grassflat, PA

12 AM
18°F
20%
9mph
W
Cloudy
Humidity
70%
Feels like
7°F
Dew Point
10°F
1 AM
17°F
10%
9mph
W
Mostly Cloudy
Humidity
71%
Feels like
7°F
Dew Point
10°F
2 AM
17°F
10%
9mph
W
Mostly Cloudy
Humidity
72%
Feels like
6°F
Dew Point
10°F
3 AM
17°F
10%
9mph
W
Mostly Cloudy
Humidity
73%
Feels like
5°F
Dew Point
10°F
4 AM
16°F
10%
9mph
W
Mostly Cloudy
Humidity
74%
Feels like
5°F
Dew Point
10°F
5 AM
16°F
0%
9mph
W
Cloudy
Humidity
75%
Feels like
5°F
Dew Point
10°F
6 AM
16°F
0%
8mph
W
Cloudy
Humidity
77%
Feels like
5°F
Dew Point
10°F
7 AM
16°F
0%
8mph
W
Cloudy
Humidity
78%
Feels like
6°F
Dew Point
10°F
7:30 AM
8 AM
18°F
0%
8mph
W
Cloudy
Humidity
76%
Feels like
7°F
Dew Point
11°F
9 AM
20°F
0%
8mph
W
Cloudy
Humidity
73%
Feels like
10°F
Dew Point
12°F
10 AM
22°F
0%
8mph
W
Cloudy
Humidity
70%
Feels like
12°F
Dew Point
13°F
11 AM
23°F
0%
8mph
W
Cloudy
Humidity
67%
Feels like
14°F
Dew Point
14°F
12 PM
25°F
0%
9mph
W
Cloudy
Humidity
64%
Feels like
16°F
Dew Point
15°F
1 PM
26°F
0%
9mph
W
Cloudy
Humidity
62%
Feels like
17°F
Dew Point
15°F
2 PM
27°F
0%
8mph
W
Cloudy
Humidity
62%
Feels like
18°F
Dew Point
15°F
3 PM
27°F
0%
7mph
W
Cloudy
Humidity
62%
Feels like
19°F
Dew Point
16°F
4 PM
26°F
0%
6mph
W
Cloudy
Humidity
64%
Feels like
19°F
Dew Point
16°F
4:45 PM
5 PM
25°F
0%
6mph
WSW
Cloudy
Humidity
68%
Feels like
19°F
Dew Point
16°F
6 PM
24°F
0%
5mph
WSW
Cloudy
Humidity
72%
Feels like
18°F
Dew Point
16°F
7 PM
23°F
0%
4mph
WSW
Cloudy
Humidity
76%
Feels like
17°F
Dew Point
16°F
8 PM
22°F
0%
4mph
SW
Cloudy
Humidity
78%
Feels like
17°F
Dew Point
16°F
9 PM
22°F
0%
3mph
SW
Cloudy
Humidity
79%
Feels like
17°F
Dew Point
16°F
10 PM
21°F
0%
3mph
SSW
Cloudy
Humidity
79%
Feels like
17°F
Dew Point
16°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

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide