Hourly Weather Forecast - Greencastle, PA

12 AM
33°F
0%
10mph
SSW
Mostly Clear
Humidity
59%
Feels like
25°F
Dew Point
20°F
1 AM
33°F
0%
9mph
SSW
Partly Cloudy
Humidity
63%
Feels like
25°F
Dew Point
22°F
2 AM
31°F
0%
9mph
SSW
Mostly Clear
Humidity
69%
Feels like
24°F
Dew Point
23°F
3 AM
31°F
0%
9mph
SSW
Mostly Clear
Humidity
74%
Feels like
23°F
Dew Point
24°F
4 AM
30°F
0%
8mph
SSW
Clear
Humidity
78%
Feels like
22°F
Dew Point
24°F
5 AM
30°F
0%
8mph
SSW
Clear
Humidity
79%
Feels like
23°F
Dew Point
25°F
6 AM
31°F
0%
8mph
SW
Clear
Humidity
79%
Feels like
24°F
Dew Point
25°F
7 AM
32°F
0%
8mph
SW
Mostly Clear
Humidity
77%
Feels like
25°F
Dew Point
26°F
7:27 AM
8 AM
34°F
0%
8mph
SW
Mostly Sunny
Humidity
73%
Feels like
28°F
Dew Point
27°F
9 AM
37°F
0%
9mph
SW
Mostly Sunny
Humidity
66%
Feels like
31°F
Dew Point
27°F
10 AM
40°F
0%
11mph
WSW
Partly Cloudy
Humidity
59%
Feels like
33°F
Dew Point
27°F
11 AM
43°F
0%
13mph
WSW
Mostly Sunny
Humidity
53%
Feels like
36°F
Dew Point
27°F
12 PM
45°F
0%
16mph
WSW
Mostly Sunny
Humidity
47%
Feels like
38°F
Dew Point
26°F
1 PM
46°F
0%
17mph
WSW
Mostly Sunny
Humidity
43%
Feels like
39°F
Dew Point
25°F
2 PM
46°F
0%
17mph
W
Partly Cloudy
Humidity
42%
Feels like
38°F
Dew Point
24°F
3 PM
44°F
0%
17mph
W
Partly Cloudy
Humidity
42%
Feels like
37°F
Dew Point
23°F
4 PM
41°F
0%
16mph
W
Partly Cloudy
Humidity
45%
Feels like
33°F
Dew Point
22°F
5 PM
38°F
0%
13mph
W
Partly Cloudy
Humidity
49%
Feels like
30°F
Dew Point
20°F
5:18 PM
6 PM
35°F
0%
11mph
W
Partly Cloudy
Humidity
53%
Feels like
27°F
Dew Point
20°F
7 PM
33°F
0%
9mph
W
Partly Cloudy
Humidity
55%
Feels like
26°F
Dew Point
19°F
8 PM
31°F
0%
7mph
W
Partly Cloudy
Humidity
58%
Feels like
24°F
Dew Point
18°F
9 PM
30°F
0%
7mph
W
Partly Cloudy
Humidity
60%
Feels like
23°F
Dew Point
18°F
10 PM
29°F
0%
7mph
W
Partly Cloudy
Humidity
61%
Feels like
22°F
Dew Point
17°F
11 PM
29°F
0%
7mph
WNW
Partly Cloudy
Humidity
60%
Feels like
22°F
Dew Point
17°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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