Hourly Weather Forecast - Mercersburg, PA

12 AM
27°F
10%
4mph
W
Mostly Clear
Humidity
61%
Feels like
22°F
Dew Point
15°F
1 AM
26°F
10%
4mph
W
Clear
Humidity
57%
Feels like
20°F
Dew Point
13°F
2 AM
25°F
10%
5mph
W
Clear
Humidity
56%
Feels like
19°F
Dew Point
11°F
3 AM
24°F
10%
5mph
W
Mostly Clear
Humidity
55%
Feels like
18°F
Dew Point
10°F
4 AM
23°F
10%
5mph
W
Mostly Clear
Humidity
55%
Feels like
17°F
Dew Point
9°F
5 AM
22°F
10%
5mph
W
Mostly Clear
Humidity
56%
Feels like
16°F
Dew Point
9°F
6 AM
22°F
10%
4mph
WNW
Clear
Humidity
56%
Feels like
16°F
Dew Point
9°F
7 AM
22°F
10%
4mph
WNW
Clear
Humidity
55%
Feels like
16°F
Dew Point
8°F
7:30 AM
8 AM
23°F
10%
3mph
W
Mostly Sunny
Humidity
53%
Feels like
19°F
Dew Point
8°F
9 AM
24°F
10%
4mph
W
Partly Cloudy
Humidity
50%
Feels like
19°F
Dew Point
8°F
10 AM
25°F
10%
5mph
W
Mostly Cloudy
Humidity
47%
Feels like
19°F
Dew Point
8°F
11 AM
27°F
10%
6mph
W
Mostly Cloudy
Humidity
46%
Feels like
20°F
Dew Point
9°F
12 PM
28°F
10%
8mph
W
Mostly Cloudy
Humidity
44%
Feels like
20°F
Dew Point
9°F
1 PM
29°F
10%
9mph
W
Mostly Cloudy
Humidity
43%
Feels like
20°F
Dew Point
10°F
2 PM
29°F
10%
9mph
W
Mostly Cloudy
Humidity
44%
Feels like
21°F
Dew Point
10°F
3 PM
29°F
10%
9mph
W
Partly Cloudy
Humidity
45%
Feels like
21°F
Dew Point
10°F
4 PM
29°F
10%
8mph
W
Partly Cloudy
Humidity
46%
Feels like
21°F
Dew Point
10°F
5 PM
28°F
10%
7mph
W
Mostly Sunny
Humidity
46%
Feels like
20°F
Dew Point
9°F
5:14 PM
6 PM
26°F
10%
6mph
WNW
Clear
Humidity
48%
Feels like
19°F
Dew Point
9°F
7 PM
25°F
10%
6mph
WNW
Clear
Humidity
52%
Feels like
18°F
Dew Point
10°F

Tuesday's Weather Outlook

Tuesday's Weather Outlook

Rain and snow showers will sweep thru the Great Lakes as the Western U.S. begins a pattern of quiet and dry weather.

(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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