Hourly Weather Forecast - Mechanicsburg, PA

12 AM
20°F
0%
8mph
WNW
Clear
Humidity
58%
Feels like
11°F
Dew Point
8°F
1 AM
20°F
0%
7mph
WNW
Clear
Humidity
58%
Feels like
11°F
Dew Point
8°F
2 AM
20°F
0%
7mph
WNW
Clear
Humidity
56%
Feels like
11°F
Dew Point
7°F
3 AM
20°F
0%
7mph
WNW
Clear
Humidity
55%
Feels like
11°F
Dew Point
7°F
4 AM
20°F
0%
6mph
WNW
Clear
Humidity
55%
Feels like
12°F
Dew Point
7°F
5 AM
21°F
0%
6mph
WNW
Clear
Humidity
55%
Feels like
12°F
Dew Point
7°F
6 AM
19°F
0%
6mph
WNW
Mostly Clear
Humidity
59%
Feels like
11°F
Dew Point
7°F
7 AM
18°F
0%
5mph
WNW
Mostly Clear
Humidity
64%
Feels like
11°F
Dew Point
8°F
7:23 AM
8 AM
18°F
0%
5mph
NW
Mostly Sunny
Humidity
68%
Feels like
11°F
Dew Point
9°F
9 AM
20°F
0%
5mph
NW
Mostly Sunny
Humidity
66%
Feels like
13°F
Dew Point
10°F
10 AM
22°F
0%
6mph
NW
Mostly Sunny
Humidity
60%
Feels like
14°F
Dew Point
10°F
11 AM
23°F
0%
6mph
NW
Partly Cloudy
Humidity
57%
Feels like
16°F
Dew Point
10°F
12 PM
25°F
0%
6mph
NW
Mostly Cloudy
Humidity
55%
Feels like
17°F
Dew Point
11°F
1 PM
26°F
0%
6mph
NW
Cloudy
Humidity
53%
Feels like
19°F
Dew Point
11°F
2 PM
26°F
0%
6mph
NW
Cloudy
Humidity
55%
Feels like
19°F
Dew Point
12°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

Wednesday's Weather Outlook

Wednesday'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