Hourly Weather Forecast - Mercersburg, PA

12 AM
35°F
30%
9mph
WNW
30% Chance of Snow
Humidity
75%
Feels like
28°F
Dew Point
28°F
1 AM
33°F
30%
11mph
WNW
30 % Chance of Heavy Snow
Humidity
72%
Feels like
24°F
Dew Point
25°F
2 AM
31°F
10%
11mph
WNW
Partly Cloudy
Humidity
65%
Feels like
22°F
Dew Point
20°F
3 AM
29°F
10%
11mph
WNW
Partly Cloudy
Humidity
62%
Feels like
19°F
Dew Point
17°F
4 AM
27°F
10%
10mph
WNW
Partly Cloudy
Humidity
59%
Feels like
17°F
Dew Point
15°F
5 AM
26°F
10%
11mph
WNW
Partly Cloudy
Humidity
57%
Feels like
15°F
Dew Point
12°F
6 AM
24°F
0%
11mph
WNW
Partly Cloudy
Humidity
54%
Feels like
14°F
Dew Point
10°F
7 AM
24°F
0%
11mph
WNW
Partly Cloudy
Humidity
53%
Feels like
13°F
Dew Point
9°F
7:31 AM
8 AM
24°F
0%
11mph
WNW
Mostly Sunny
Humidity
54%
Feels like
13°F
Dew Point
9°F
9 AM
24°F
0%
11mph
WNW
Mostly Sunny
Humidity
52%
Feels like
13°F
Dew Point
9°F
10 AM
24°F
10%
12mph
WNW
Mostly Sunny
Humidity
51%
Feels like
13°F
Dew Point
9°F
11 AM
24°F
10%
12mph
WNW
Partly Cloudy
Humidity
50%
Feels like
13°F
Dew Point
9°F
12 PM
25°F
10%
13mph
WNW
Partly Cloudy
Humidity
48%
Feels like
13°F
Dew Point
8°F
1 PM
25°F
10%
12mph
WNW
Partly Cloudy
Humidity
46%
Feels like
14°F
Dew Point
7°F
2 PM
25°F
10%
12mph
WNW
Mostly Cloudy
Humidity
45%
Feels like
14°F
Dew Point
7°F
3 PM
25°F
10%
12mph
WNW
Mostly Cloudy
Humidity
44%
Feels like
13°F
Dew Point
6°F
4 PM
24°F
10%
12mph
WNW
Mostly Cloudy
Humidity
44%
Feels like
13°F
Dew Point
5°F
5 PM
24°F
10%
11mph
WNW
Mostly Cloudy
Humidity
44%
Feels like
13°F
Dew Point
5°F
5:11 PM
6 PM
23°F
10%
11mph
WNW
Mostly Cloudy
Humidity
45%
Feels like
12°F
Dew Point
4°F
7 PM
22°F
10%
10mph
WNW
Mostly Cloudy
Humidity
47%
Feels like
12°F
Dew Point
5°F
8 PM
22°F
10%
10mph
WNW
Mostly Cloudy
Humidity
48%
Feels like
11°F
Dew Point
5°F
9 PM
22°F
0%
10mph
WNW
Mostly Cloudy
Humidity
50%
Feels like
11°F
Dew Point
6°F
10 PM
21°F
10%
10mph
WNW
Partly Cloudy
Humidity
51%
Feels like
10°F
Dew Point
6°F
11 PM
21°F
10%
9mph
WNW
Partly Cloudy
Humidity
50%
Feels like
10°F
Dew Point
5°F

Wednesday's Weather Outlook

Wednesday's Weather Outlook

It will be a tale of two seasons on Wednesday, with cold, wintry weather in the East and dry, spring-like weather in the West.

(Image provided by NOAA)

Polar Vortex: What Is It?

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

(Image provided by Pixabay.com)

Before a High Wind Event

Windchill chart

Dangers of Wind Chills

A snow-covered trail in Sparkill, N.Y. (H. Martinez, WeatherBug user)

Top Winter Hiking Destinations

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