Hourly Weather Forecast - Mechanicsburg, PA

12 AM
25°F
0%
5mph
WNW
Clear
Humidity
60%
Feels like
19°F
Dew Point
13°F
1 AM
24°F
0%
4mph
WNW
Clear
Humidity
61%
Feels like
19°F
Dew Point
13°F
2 AM
24°F
0%
4mph
WNW
Clear
Humidity
62%
Feels like
19°F
Dew Point
13°F
3 AM
24°F
0%
3mph
WNW
Clear
Humidity
62%
Feels like
20°F
Dew Point
13°F
4 AM
24°F
0%
3mph
WNW
Clear
Humidity
63%
Feels like
24°F
Dew Point
13°F
5 AM
24°F
0%
2mph
WNW
Clear
Humidity
63%
Feels like
24°F
Dew Point
13°F
6 AM
23°F
0%
2mph
W
Mostly Clear
Humidity
65%
Feels like
23°F
Dew Point
13°F
7 AM
24°F
0%
2mph
W
Mostly Clear
Humidity
66%
Feels like
24°F
Dew Point
14°F
7:27 AM
8 AM
25°F
0%
2mph
W
Mostly Sunny
Humidity
64%
Feels like
25°F
Dew Point
14°F
9 AM
27°F
0%
2mph
W
Mostly Sunny
Humidity
60%
Feels like
27°F
Dew Point
15°F
10 AM
30°F
0%
2mph
W
Mostly Sunny
Humidity
56%
Feels like
30°F
Dew Point
16°F
11 AM
32°F
0%
2mph
W
Partly Cloudy
Humidity
52%
Feels like
32°F
Dew Point
17°F
12 PM
35°F
0%
2mph
W
Partly Cloudy
Humidity
49%
Feels like
35°F
Dew Point
17°F
1 PM
36°F
0%
2mph
WSW
Mostly Cloudy
Humidity
47%
Feels like
36°F
Dew Point
18°F
2 PM
38°F
0%
2mph
WSW
Mostly Cloudy
Humidity
46%
Feels like
38°F
Dew Point
19°F
3 PM
38°F
0%
2mph
SW
Mostly Cloudy
Humidity
47%
Feels like
38°F
Dew Point
19°F
4 PM
37°F
0%
1mph
SSW
Cloudy
Humidity
50%
Feels like
37°F
Dew Point
20°F
4:45 PM
5 PM
36°F
0%
1mph
SSW
Cloudy
Humidity
54%
Feels like
36°F
Dew Point
21°F
6 PM
35°F
10%
1mph
SSW
Cloudy
Humidity
56%
Feels like
35°F
Dew Point
21°F
7 PM
35°F
10%
2mph
SSW
Cloudy
Humidity
57%
Feels like
35°F
Dew Point
21°F
8 PM
34°F
20%
1mph
SSW
Cloudy
Humidity
59%
Feels like
34°F
Dew Point
21°F
9 PM
33°F
20%
2mph
S
Cloudy
Humidity
62%
Feels like
33°F
Dew Point
21°F
10 PM
32°F
20%
2mph
S
Mostly Cloudy
Humidity
65%
Feels like
32°F
Dew Point
21°F
11 PM
31°F
20%
2mph
S
Cloudy
Humidity
67%
Feels like
31°F
Dew Point
22°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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