Hourly Weather Forecast - Mercersburg, PA

12 AM
28°F
10%
3mph
S
Mostly Cloudy
Humidity
55%
Feels like
28°F
Dew Point
14°F
1 AM
28°F
10%
3mph
S
Partly Cloudy
Humidity
58%
Feels like
28°F
Dew Point
15°F
2 AM
28°F
10%
3mph
S
Partly Cloudy
Humidity
58%
Feels like
28°F
Dew Point
15°F
3 AM
27°F
10%
3mph
S
Mostly Clear
Humidity
60%
Feels like
27°F
Dew Point
15°F
4 AM
27°F
10%
3mph
S
Partly Cloudy
Humidity
61%
Feels like
27°F
Dew Point
16°F
5 AM
27°F
10%
2mph
S
Partly Cloudy
Humidity
63%
Feels like
27°F
Dew Point
16°F
6 AM
26°F
10%
2mph
S
Partly Cloudy
Humidity
66%
Feels like
26°F
Dew Point
17°F
7 AM
27°F
10%
2mph
S
Partly Cloudy
Humidity
65%
Feels like
27°F
Dew Point
17°F
7:30 AM
8 AM
28°F
10%
3mph
S
Partly Cloudy
Humidity
66%
Feels like
28°F
Dew Point
19°F
9 AM
31°F
10%
4mph
S
Partly Cloudy
Humidity
62%
Feels like
27°F
Dew Point
20°F
10 AM
33°F
20%
5mph
S
Partly Cloudy
Humidity
61%
Feels like
29°F
Dew Point
21°F
11 AM
35°F
30%
5mph
SSW
30% Chance Snow Showers
Humidity
60%
Feels like
31°F
Dew Point
23°F
12 PM
37°F
30%
6mph
SSW
30% Chance Rain Showers
Humidity
59%
Feels like
33°F
Dew Point
24°F
1 PM
38°F
30%
6mph
SW
30% Chance Rain Showers
Humidity
54%
Feels like
34°F
Dew Point
24°F
2 PM
39°F
20%
6mph
SW
Partly Cloudy
Humidity
52%
Feels like
34°F
Dew Point
23°F
3 PM
38°F
10%
7mph
WSW
Partly Cloudy
Humidity
49%
Feels like
33°F
Dew Point
21°F
4 PM
37°F
30%
7mph
WSW
30% Chance Snow Showers
Humidity
50%
Feels like
31°F
Dew Point
20°F
5 PM
35°F
30%
7mph
WSW
30% Chance of Snow
Humidity
53%
Feels like
28°F
Dew Point
19°F
5:13 PM
6 PM
33°F
30%
8mph
WSW
30 % Chance of Heavy Snow
Humidity
55%
Feels like
26°F
Dew Point
18°F
7 PM
31°F
30%
8mph
WSW
30 % Chance of Heavy Snow
Humidity
58%
Feels like
24°F
Dew Point
18°F
8 PM
29°F
30%
7mph
W
30 % Chance of Heavy Snow
Humidity
61%
Feels like
22°F
Dew Point
18°F
9 PM
28°F
30%
7mph
W
30% Chance of Snow
Humidity
65%
Feels like
21°F
Dew Point
18°F
10 PM
27°F
30%
6mph
W
30% Chance of Snow
Humidity
66%
Feels like
20°F
Dew Point
17°F
11 PM
26°F
20%
6mph
W
Partly Cloudy
Humidity
61%
Feels like
20°F
Dew Point
15°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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