Hourly Weather Forecast - Harmonsburg, PA

9 AM
17°F
0%
8mph
SSW
Mostly Cloudy
Humidity
78%
Feels like
6°F
Dew Point
11°F
10 AM
19°F
0%
9mph
S
Mostly Cloudy
Humidity
76%
Feels like
8°F
Dew Point
13°F
11 AM
21°F
0%
10mph
S
Mostly Cloudy
Humidity
74%
Feels like
10°F
Dew Point
14°F
12 PM
22°F
10%
11mph
S
Mostly Cloudy
Humidity
74%
Feels like
11°F
Dew Point
15°F
1 PM
24°F
20%
11mph
S
Cloudy
Humidity
74%
Feels like
13°F
Dew Point
16°F
2 PM
24°F
20%
12mph
S
Cloudy
Humidity
76%
Feels like
13°F
Dew Point
18°F
3 PM
25°F
20%
12mph
S
Mostly Cloudy
Humidity
79%
Feels like
14°F
Dew Point
19°F
4 PM
25°F
30%
12mph
S
30% Chance of Heavy Snow
Humidity
82%
Feels like
14°F
Dew Point
20°F
5 PM
26°F
30%
12mph
S
30% Chance of Heavy Snow
Humidity
84%
Feels like
15°F
Dew Point
22°F
5:17 PM
6 PM
26°F
30%
12mph
S
30% Chance of Flurries
Humidity
85%
Feels like
16°F
Dew Point
23°F
7 PM
27°F
20%
12mph
S
Cloudy
Humidity
86%
Feels like
17°F
Dew Point
24°F
8 PM
28°F
10%
11mph
S
Cloudy
Humidity
85%
Feels like
18°F
Dew Point
24°F
9 PM
29°F
10%
11mph
SSW
Cloudy
Humidity
84%
Feels like
19°F
Dew Point
24°F
10 PM
29°F
20%
10mph
SSW
Cloudy
Humidity
82%
Feels like
20°F
Dew Point
24°F
11 PM
29°F
10%
9mph
SSW
Cloudy
Humidity
83%
Feels like
21°F
Dew Point
25°F

Snow Forecast through Saturday

Multiple Snowy Systems Hit Great Lakes, Northeast

An exiting low pressure system will produce additional light snow across Maine while a new disturbance will track across the Upper Midwest and Great Lakes.

Friday's Weather Outlook

Today's Weather Outlook

Weekend Weather Preview

Weekend Weather Preview

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

(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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