Hourly Weather Forecast - Greencastle, PA

12 AM
16°F
0%
4mph
SW
Clear
Humidity
51%
Feels like
10°F
Dew Point
1°F
1 AM
16°F
0%
4mph
SSW
Clear
Humidity
51%
Feels like
9°F
Dew Point
1°F
2 AM
15°F
0%
4mph
SSW
Clear
Humidity
52%
Feels like
8°F
Dew Point
1°F
3 AM
14°F
0%
5mph
SSW
Clear
Humidity
52%
Feels like
7°F
Dew Point
0°F
4 AM
14°F
0%
5mph
S
Clear
Humidity
53%
Feels like
6°F
Dew Point
0°F
5 AM
15°F
0%
5mph
S
Mostly Clear
Humidity
52%
Feels like
6°F
Dew Point
0°F
6 AM
15°F
0%
6mph
S
Partly Cloudy
Humidity
52%
Feels like
7°F
Dew Point
1°F
7 AM
17°F
0%
6mph
S
Partly Cloudy
Humidity
51%
Feels like
8°F
Dew Point
2°F
7:27 AM
8 AM
19°F
0%
8mph
S
Mostly Cloudy
Humidity
49%
Feels like
10°F
Dew Point
3°F
9 AM
22°F
0%
9mph
S
Cloudy
Humidity
45%
Feels like
12°F
Dew Point
4°F
10 AM
26°F
0%
11mph
S
Cloudy
Humidity
41%
Feels like
16°F
Dew Point
6°F
11 AM
29°F
0%
13mph
S
Cloudy
Humidity
38%
Feels like
19°F
Dew Point
7°F
12 PM
32°F
0%
15mph
S
Cloudy
Humidity
35%
Feels like
22°F
Dew Point
8°F
1 PM
35°F
0%
17mph
S
Cloudy
Humidity
33%
Feels like
25°F
Dew Point
9°F
2 PM
37°F
0%
17mph
S
Mostly Cloudy
Humidity
32%
Feels like
27°F
Dew Point
10°F
3 PM
38°F
0%
17mph
S
Partly Cloudy
Humidity
32%
Feels like
29°F
Dew Point
11°F
4 PM
38°F
0%
17mph
S
Partly Cloudy
Humidity
33%
Feels like
28°F
Dew Point
12°F
5 PM
37°F
0%
16mph
S
Partly Cloudy
Humidity
36%
Feels like
28°F
Dew Point
12°F
5:17 PM
6 PM
36°F
0%
15mph
S
Partly Cloudy
Humidity
38%
Feels like
27°F
Dew Point
13°F
7 PM
36°F
0%
14mph
S
Partly Cloudy
Humidity
40%
Feels like
27°F
Dew Point
14°F
8 PM
35°F
0%
13mph
S
Partly Cloudy
Humidity
43%
Feels like
27°F
Dew Point
15°F
9 PM
35°F
0%
13mph
S
Mostly Clear
Humidity
45%
Feels like
26°F
Dew Point
16°F
10 PM
35°F
0%
12mph
S
Mostly Clear
Humidity
49%
Feels like
26°F
Dew Point
18°F
11 PM
34°F
0%
11mph
SSW
Mostly Clear
Humidity
53%
Feels like
26°F
Dew Point
19°F

Snow Forecast through Sunday

Unrelenting Storm Track Brings Snow to Great Lakes & Eastern U.S.

Two main areas of low pressure will produce snow in the Upper Midwest, Great Lakes and Eastern U.S.

Monday's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

Vehicle driving in wintry conditions

Prepare Your Car for Cold Weather

(Image provided by NOAA)

Polar Vortex: What Is It?

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

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