Hourly Weather Forecast - Mercersburg, PA

2 AM
44°F
0%
3mph
SW
Mostly Cloudy
Humidity
49%
Feels like
44°F
Dew Point
27°F
3 AM
44°F
0%
2mph
SW
Mostly Cloudy
Humidity
51%
Feels like
44°F
Dew Point
27°F
4 AM
44°F
10%
3mph
SW
Mostly Cloudy
Humidity
52%
Feels like
44°F
Dew Point
27°F
5 AM
44°F
10%
2mph
SW
Mostly Cloudy
Humidity
56%
Feels like
44°F
Dew Point
29°F
6 AM
43°F
20%
2mph
SW
Cloudy
Humidity
57%
Feels like
43°F
Dew Point
29°F
7 AM
44°F
30%
2mph
SSW
30% Chance of Light Rain
Humidity
60%
Feels like
44°F
Dew Point
31°F
7:31 AM
8 AM
44°F
40%
2mph
SSW
40% Chance of Light Rain
Humidity
64%
Feels like
44°F
Dew Point
33°F
9 AM
45°F
40%
2mph
SW
40% Chance of Light Rain
Humidity
67%
Feels like
45°F
Dew Point
35°F
10 AM
46°F
30%
2mph
SW
30% Chance of Light Rain
Humidity
72%
Feels like
46°F
Dew Point
37°F
11 AM
46°F
30%
2mph
SSW
30% Chance of Light Rain
Humidity
75%
Feels like
46°F
Dew Point
39°F
12 PM
47°F
40%
2mph
SSW
40% Chance of Light Rain
Humidity
78%
Feels like
47°F
Dew Point
41°F
1 PM
47°F
50%
2mph
SSW
50% Chance of Light Rain
Humidity
79%
Feels like
47°F
Dew Point
41°F
2 PM
47°F
40%
2mph
SSW
40% Chance of Light Rain
Humidity
83%
Feels like
47°F
Dew Point
42°F
3 PM
47°F
40%
1mph
SW
40% Chance of Light Rain
Humidity
86%
Feels like
47°F
Dew Point
43°F
4 PM
46°F
50%
1mph
WSW
50% Chance of Light Rain
Humidity
87%
Feels like
46°F
Dew Point
42°F
5 PM
45°F
60%
1mph
WSW
60% Chance of Light Rain
Humidity
86%
Feels like
45°F
Dew Point
41°F
5:10 PM
6 PM
44°F
60%
1mph
W
60% Chance of Light Rain
Humidity
87%
Feels like
44°F
Dew Point
40°F
7 PM
42°F
60%
2mph
WNW
60% Chance of Light Rain
Humidity
90%
Feels like
42°F
Dew Point
39°F
8 PM
41°F
50%
2mph
WNW
50% Chance of Light Rain
Humidity
92%
Feels like
41°F
Dew Point
39°F
9 PM
40°F
40%
3mph
WNW
40% Chance of Light Rain
Humidity
92%
Feels like
40°F
Dew Point
38°F
10 PM
38°F
30%
4mph
WNW
30% Chance of Flurries
Humidity
91%
Feels like
36°F
Dew Point
36°F
11 PM
37°F
40%
6mph
WNW
40% Chance Light Snow
Humidity
83%
Feels like
32°F
Dew Point
33°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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