Hourly Weather Forecast - Greencastle, PA

12 AM
26°F
0%
13mph
WNW
Clear
Humidity
56%
Feels like
15°F
Dew Point
12°F
1 AM
26°F
0%
12mph
WNW
Clear
Humidity
56%
Feels like
15°F
Dew Point
12°F
2 AM
26°F
0%
11mph
NW
Clear
Humidity
56%
Feels like
15°F
Dew Point
13°F
3 AM
26°F
0%
10mph
NW
Clear
Humidity
57%
Feels like
16°F
Dew Point
13°F
4 AM
26°F
0%
10mph
NW
Clear
Humidity
57%
Feels like
16°F
Dew Point
13°F
5 AM
25°F
0%
9mph
NW
Clear
Humidity
58%
Feels like
16°F
Dew Point
12°F
6 AM
24°F
0%
8mph
NW
Clear
Humidity
61%
Feels like
15°F
Dew Point
13°F
7 AM
24°F
0%
8mph
WNW
Clear
Humidity
63%
Feels like
15°F
Dew Point
13°F
7:29 AM
8 AM
25°F
0%
8mph
WNW
Sunny
Humidity
64%
Feels like
16°F
Dew Point
14°F
9 AM
28°F
0%
8mph
NW
Sunny
Humidity
58%
Feels like
19°F
Dew Point
15°F
10 AM
31°F
0%
9mph
NW
Sunny
Humidity
51%
Feels like
23°F
Dew Point
15°F
11 AM
33°F
0%
9mph
WNW
Sunny
Humidity
47%
Feels like
26°F
Dew Point
15°F
12 PM
35°F
0%
9mph
WNW
Mostly Sunny
Humidity
43%
Feels like
28°F
Dew Point
15°F
1 PM
37°F
10%
9mph
WNW
Mostly Sunny
Humidity
41%
Feels like
30°F
Dew Point
15°F
2 PM
38°F
10%
9mph
WNW
Mostly Sunny
Humidity
40%
Feels like
32°F
Dew Point
16°F
3 PM
38°F
10%
8mph
W
Mostly Sunny
Humidity
43%
Feels like
33°F
Dew Point
18°F
4 PM
37°F
10%
6mph
W
Sunny
Humidity
47%
Feels like
32°F
Dew Point
19°F
4:50 PM
5 PM
35°F
10%
6mph
WSW
Mostly Clear
Humidity
51%
Feels like
30°F
Dew Point
19°F
6 PM
33°F
0%
6mph
SSW
Partly Cloudy
Humidity
54%
Feels like
28°F
Dew Point
19°F
7 PM
32°F
0%
5mph
S
Mostly Cloudy
Humidity
56%
Feels like
27°F
Dew Point
19°F
8 PM
31°F
10%
5mph
S
Mostly Cloudy
Humidity
61%
Feels like
25°F
Dew Point
19°F
9 PM
31°F
10%
6mph
S
Mostly Cloudy
Humidity
60%
Feels like
25°F
Dew Point
19°F
10 PM
31°F
10%
6mph
S
Partly Cloudy
Humidity
60%
Feels like
25°F
Dew Point
19°F
11 PM
31°F
10%
6mph
S
Mostly Cloudy
Humidity
60%
Feels like
25°F
Dew Point
19°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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