Hourly Weather Forecast - McKnightstown, PA

12 AM
20°F
10%
4mph
SW
Partly Cloudy
Humidity
64%
Feels like
14°F
Dew Point
10°F
1 AM
19°F
10%
4mph
WSW
Mostly Cloudy
Humidity
64%
Feels like
13°F
Dew Point
9°F
2 AM
18°F
10%
4mph
WSW
Partly Cloudy
Humidity
66%
Feels like
12°F
Dew Point
8°F
3 AM
17°F
10%
4mph
WSW
Mostly Cloudy
Humidity
68%
Feels like
10°F
Dew Point
8°F
4 AM
16°F
10%
4mph
WSW
Cloudy
Humidity
70%
Feels like
9°F
Dew Point
8°F
5 AM
15°F
10%
4mph
WSW
Cloudy
Humidity
72%
Feels like
8°F
Dew Point
8°F
6 AM
15°F
10%
4mph
WSW
Mostly Cloudy
Humidity
71%
Feels like
9°F
Dew Point
8°F

Snow and ice forecast through Friday A.M.

Multiple Snow Threats Across the Northern U.S.

Multiple systems will bring snow across the Northern U.S. through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak the Northwest

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

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

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide