Hourly Weather Forecast - Greencastle, PA

12 AM
31°F
10%
6mph
SSE
Mostly Cloudy
Humidity
59%
Feels like
25°F
Dew Point
19°F
1 AM
31°F
10%
7mph
SSE
Mostly Cloudy
Humidity
59%
Feels like
25°F
Dew Point
19°F
2 AM
32°F
10%
7mph
SSE
Cloudy
Humidity
60%
Feels like
25°F
Dew Point
19°F
3 AM
32°F
10%
7mph
S
Cloudy
Humidity
61%
Feels like
25°F
Dew Point
20°F
4 AM
32°F
10%
7mph
S
Cloudy
Humidity
61%
Feels like
25°F
Dew Point
20°F
5 AM
32°F
20%
7mph
S
Cloudy
Humidity
61%
Feels like
25°F
Dew Point
20°F
6 AM
33°F
20%
7mph
S
Cloudy
Humidity
63%
Feels like
26°F
Dew Point
22°F
7 AM
34°F
20%
7mph
S
Mostly Cloudy
Humidity
60%
Feels like
27°F
Dew Point
22°F
7:29 AM
8 AM
35°F
20%
8mph
S
Cloudy
Humidity
60%
Feels like
28°F
Dew Point
23°F
9 AM
37°F
20%
9mph
S
Cloudy
Humidity
60%
Feels like
30°F
Dew Point
24°F
10 AM
38°F
20%
10mph
S
Cloudy
Humidity
60%
Feels like
32°F
Dew Point
26°F
11 AM
41°F
10%
11mph
S
Cloudy
Humidity
60%
Feels like
35°F
Dew Point
28°F
12 PM
44°F
10%
12mph
S
Cloudy
Humidity
59%
Feels like
37°F
Dew Point
30°F
1 PM
45°F
10%
13mph
S
Cloudy
Humidity
57%
Feels like
39°F
Dew Point
31°F
2 PM
46°F
10%
13mph
S
Cloudy
Humidity
57%
Feels like
40°F
Dew Point
31°F
3 PM
45°F
10%
12mph
SSW
Cloudy
Humidity
58%
Feels like
40°F
Dew Point
31°F
4 PM
44°F
10%
11mph
SSW
Mostly Cloudy
Humidity
62%
Feels like
38°F
Dew Point
32°F
4:50 PM
5 PM
43°F
10%
11mph
SSW
Cloudy
Humidity
66%
Feels like
37°F
Dew Point
33°F
6 PM
43°F
10%
11mph
SW
Cloudy
Humidity
69%
Feels like
37°F
Dew Point
34°F
7 PM
43°F
10%
11mph
SW
Cloudy
Humidity
71%
Feels like
37°F
Dew Point
34°F
8 PM
42°F
10%
12mph
SW
Cloudy
Humidity
73%
Feels like
36°F
Dew Point
34°F
9 PM
42°F
10%
11mph
SW
Cloudy
Humidity
74%
Feels like
35°F
Dew Point
34°F
10 PM
41°F
10%
11mph
SW
Mostly Cloudy
Humidity
74%
Feels like
35°F
Dew Point
34°F
11 PM
41°F
10%
11mph
WSW
Mostly Cloudy
Humidity
73%
Feels like
35°F
Dew Point
33°F

Forecast Peak Wind Gusts Today

High Winds, Rain, and Snow Cross the Country

A clipper moving over the Great Lakes brings rain, snow, and high winds through the Atlantic Coastline.

Rainfall and Snowfall Totals Through Friday

Atmospheric River Symptoms Repeat in the Northwest

Thursday's Weather Outlook

Today's Weather Outlook

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

How to Measure Snow via NWS

How To Measure Snow

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