Hourly Weather Forecast - Mercersburg, PA

12 AM
32°F
0%
2mph
SSW
Clear
Humidity
71%
Feels like
32°F
Dew Point
23°F
1 AM
31°F
0%
2mph
SSW
Clear
Humidity
72%
Feels like
31°F
Dew Point
23°F
2 AM
31°F
0%
1mph
SSW
Clear
Humidity
73%
Feels like
31°F
Dew Point
23°F
3 AM
30°F
0%
1mph
SSW
Clear
Humidity
73%
Feels like
30°F
Dew Point
22°F
4 AM
30°F
0%
1mph
SSW
Clear
Humidity
74%
Feels like
30°F
Dew Point
23°F
5 AM
29°F
0%
1mph
SSW
Clear
Humidity
75%
Feels like
29°F
Dew Point
23°F
6 AM
29°F
0%
1mph
SSW
Clear
Humidity
77%
Feels like
29°F
Dew Point
23°F
6:46 AM
7 AM
31°F
0%
1mph
SSW
Sunny
Humidity
79%
Feels like
31°F
Dew Point
25°F
8 AM
33°F
0%
1mph
SSW
Sunny
Humidity
72%
Feels like
33°F
Dew Point
25°F
9 AM
37°F
0%
2mph
SSW
Sunny
Humidity
66%
Feels like
37°F
Dew Point
27°F
10 AM
41°F
0%
2mph
SSW
Sunny
Humidity
60%
Feels like
41°F
Dew Point
29°F
11 AM
44°F
0%
3mph
SSW
Sunny
Humidity
57%
Feels like
44°F
Dew Point
30°F
12 PM
47°F
0%
4mph
SSW
Mostly Sunny
Humidity
53%
Feels like
46°F
Dew Point
31°F
1 PM
49°F
0%
4mph
SSW
Mostly Sunny
Humidity
52%
Feels like
48°F
Dew Point
32°F
2 PM
51°F
0%
4mph
SSW
Mostly Sunny
Humidity
52%
Feels like
51°F
Dew Point
34°F
3 PM
51°F
0%
4mph
SSW
Sunny
Humidity
51%
Feels like
51°F
Dew Point
34°F
4 PM
51°F
0%
4mph
SSW
Sunny
Humidity
51%
Feels like
51°F
Dew Point
34°F
5 PM
49°F
0%
4mph
SSW
Sunny
Humidity
56%
Feels like
48°F
Dew Point
34°F
6 PM
46°F
0%
3mph
SSE
Sunny
Humidity
61%
Feels like
45°F
Dew Point
34°F
6:02 PM
7 PM
44°F
0%
3mph
SE
Clear
Humidity
64%
Feels like
44°F
Dew Point
32°F
8 PM
42°F
0%
2mph
SE
Clear
Humidity
64%
Feels like
42°F
Dew Point
31°F
9 PM
41°F
0%
2mph
SSE
Clear
Humidity
66%
Feels like
41°F
Dew Point
30°F
10 PM
40°F
0%
1mph
S
Clear
Humidity
67%
Feels like
40°F
Dew Point
30°F
11 PM
39°F
0%
2mph
S
Clear
Humidity
70%
Feels like
39°F
Dew Point
30°F

Snow Forecast through Tuesday Morning

Beefy Nor'easter to Dump Snow On The Northeast

A potent Nor’easter storm will further intensify today, dumping heavy snow and producing high winds through Tuesday morning.

Monday's Weather Outlook

Monday's Weather Outlook

A woman fights her way through a blizzard in New York City.

Blizzard Warning Defined

Rocky Mountain National Park at day in December. (NPS Natural Resources/Wikimedia Commons)

Snowmelt and Flooding

Windchill chart

Dangers of Wind Chills

Story Image via pixabay.com

Avalanche Dangers and Safety

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