Hourly Weather Forecast - Greencastle, PA

1 PM
39°F
0%
9mph
WSW
Mostly Cloudy
Humidity
67%
Feels like
33°F
Dew Point
29°F
2 PM
40°F
0%
9mph
WSW
Mostly Cloudy
Humidity
65%
Feels like
34°F
Dew Point
29°F
3 PM
40°F
10%
9mph
W
Mostly Cloudy
Humidity
66%
Feels like
34°F
Dew Point
29°F
4 PM
38°F
20%
8mph
W
Cloudy
Humidity
69%
Feels like
33°F
Dew Point
29°F
4:46 PM
5 PM
37°F
30%
7mph
W
30% Chance Light Snow
Humidity
74%
Feels like
31°F
Dew Point
30°F
6 PM
36°F
30%
6mph
W
30% Chance Frozen Mix
Humidity
80%
Feels like
31°F
Dew Point
31°F
7 PM
36°F
30%
6mph
WSW
30 % Chance of Heavy Snow
Humidity
84%
Feels like
31°F
Dew Point
32°F
8 PM
36°F
30%
5mph
WSW
30 % Chance of Heavy Snow
Humidity
85%
Feels like
31°F
Dew Point
32°F
9 PM
36°F
30%
5mph
W
30 % Chance of Heavy Snow
Humidity
86%
Feels like
31°F
Dew Point
32°F
10 PM
35°F
40%
5mph
W
40% Chance of Heavy Snow
Humidity
87%
Feels like
31°F
Dew Point
32°F
11 PM
35°F
50%
6mph
WNW
50% Chance of Snow
Humidity
88%
Feels like
30°F
Dew Point
32°F

Snowfall forecast through Sunday A.M.

Snow Spreads Across the Midwest into the Mid-Atlantic

A fast moving disturbance will bring snow to the Midwest and Mid-Atlantic this weekend.

Weekend Weather Outlook

Weekend Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

Story Image via pixabay.com

Winter Precipitation

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