Hourly Weather Forecast - Harmonsburg, PA

12 AM
33°F
40%
14mph
WSW
40% Chance Frozen Mix
Humidity
82%
Feels like
23°F
Dew Point
28°F
1 AM
31°F
30%
14mph
WSW
30% Chance of Flurries
Humidity
78%
Feels like
21°F
Dew Point
25°F
2 AM
30°F
30%
15mph
WSW
30% Chance Snow Showers
Humidity
74%
Feels like
19°F
Dew Point
23°F
3 AM
28°F
30%
15mph
WSW
30% Chance Snow Showers
Humidity
71%
Feels like
17°F
Dew Point
20°F
4 AM
27°F
30%
15mph
WSW
30% Chance Snow Showers
Humidity
68%
Feels like
16°F
Dew Point
18°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

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide