Hourly Weather Forecast - Mercersburg, PA

9 PM
25°F
0%
9mph
W
Mostly Clear
Humidity
57%
Feels like
16°F
Dew Point
12°F
10 PM
25°F
0%
8mph
W
Mostly Clear
Humidity
58%
Feels like
16°F
Dew Point
12°F
11 PM
24°F
0%
8mph
W
Mostly Cloudy
Humidity
58%
Feels like
16°F
Dew Point
12°F

Wednesday's Weather Outlook

Wednesday's Weather Outlook

After an overall quieter day of weather on Tuesday, Mother Nature brings a soggy, snowy forecast.

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A frame from an automated video of a tornado and its mesocyclone that derailed multiple train cars near Enderlin, North Dakota and destroyed multiple homes on June 20, 2025. (ChrisWx via Wikimedia Commons)

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