Hourly Weather Forecast - Mechanicsburg, PA

2 AM
31°F
0%
4mph
SW
Mostly Clear
Humidity
73%
Feels like
28°F
Dew Point
24°F
3 AM
31°F
0%
3mph
WSW
Mostly Clear
Humidity
73%
Feels like
28°F
Dew Point
24°F
4 AM
31°F
0%
3mph
WSW
Partly Cloudy
Humidity
72%
Feels like
28°F
Dew Point
23°F
5 AM
31°F
0%
4mph
W
Mostly Clear
Humidity
72%
Feels like
27°F
Dew Point
23°F
6 AM
31°F
0%
4mph
W
Mostly Clear
Humidity
71%
Feels like
26°F
Dew Point
23°F
7 AM
31°F
0%
6mph
W
Mostly Clear
Humidity
69%
Feels like
26°F
Dew Point
23°F
7:26 AM
8 AM
33°F
0%
7mph
WNW
Mostly Sunny
Humidity
64%
Feels like
27°F
Dew Point
22°F
9 AM
36°F
0%
9mph
WNW
Mostly Sunny
Humidity
58%
Feels like
29°F
Dew Point
22°F
10 AM
38°F
0%
11mph
WNW
Partly Cloudy
Humidity
53%
Feels like
30°F
Dew Point
22°F
11 AM
39°F
0%
11mph
WNW
Mostly Sunny
Humidity
50%
Feels like
32°F
Dew Point
22°F
12 PM
38°F
0%
11mph
WNW
Partly Cloudy
Humidity
49%
Feels like
31°F
Dew Point
21°F
1 PM
38°F
0%
11mph
WNW
Partly Cloudy
Humidity
48%
Feels like
31°F
Dew Point
20°F
2 PM
37°F
0%
10mph
WNW
Partly Cloudy
Humidity
48%
Feels like
30°F
Dew Point
19°F
3 PM
35°F
0%
9mph
WNW
Partly Cloudy
Humidity
48%
Feels like
28°F
Dew Point
18°F
4 PM
33°F
0%
9mph
WNW
Mostly Sunny
Humidity
50%
Feels like
26°F
Dew Point
17°F
4:45 PM
5 PM
32°F
0%
7mph
WNW
Mostly Clear
Humidity
51%
Feels like
25°F
Dew Point
16°F
6 PM
30°F
0%
6mph
NW
Clear
Humidity
52%
Feels like
24°F
Dew Point
15°F
7 PM
29°F
0%
6mph
NW
Clear
Humidity
52%
Feels like
23°F
Dew Point
14°F
8 PM
29°F
0%
6mph
NW
Clear
Humidity
53%
Feels like
23°F
Dew Point
14°F
9 PM
28°F
0%
5mph
NW
Clear
Humidity
55%
Feels like
21°F
Dew Point
13°F
10 PM
26°F
0%
5mph
NW
Clear
Humidity
56%
Feels like
20°F
Dew Point
13°F
11 PM
25°F
0%
5mph
WNW
Clear
Humidity
58%
Feels like
19°F
Dew Point
13°F

Rain And Snow Totals Through Monday

Atmospheric River Impacts Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California through Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Sunday's Weather Outlook

Sunday's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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