Hourly Weather Forecast - Mertztown, PA

12 AM
7°F
0%
2mph
WSW
Clear
Humidity
74%
Feels like
7°F
Dew Point
0°F
1 AM
6°F
0%
2mph
WSW
Clear
Humidity
78%
Feels like
6°F
Dew Point
0°F
2 AM
5°F
0%
2mph
WSW
Clear
Humidity
79%
Feels like
5°F
Dew Point
0°F
3 AM
4°F
0%
1mph
WSW
Clear
Humidity
82%
Feels like
4°F
Dew Point
0°F
4 AM
3°F
0%
1mph
SW
Clear
Humidity
83%
Feels like
3°F
Dew Point
-1°F
5 AM
3°F
0%
1mph
SW
Clear
Humidity
83%
Feels like
3°F
Dew Point
-1°F
6 AM
4°F
0%
1mph
SW
Clear
Humidity
82%
Feels like
4°F
Dew Point
-1°F
7 AM
6°F
0%
1mph
SSW
Mostly Clear
Humidity
80%
Feels like
6°F
Dew Point
1°F
7:21 AM
8 AM
9°F
0%
1mph
S
Mostly Sunny
Humidity
76%
Feels like
9°F
Dew Point
3°F
9 AM
14°F
0%
2mph
S
Partly Cloudy
Humidity
73%
Feels like
14°F
Dew Point
7°F
10 AM
18°F
0%
2mph
S
Partly Cloudy
Humidity
69%
Feels like
18°F
Dew Point
10°F
11 AM
22°F
0%
4mph
S
Mostly Cloudy
Humidity
67%
Feels like
16°F
Dew Point
13°F
12 PM
25°F
0%
6mph
S
Cloudy
Humidity
67%
Feels like
18°F
Dew Point
15°F
1 PM
27°F
0%
7mph
S
Cloudy
Humidity
66%
Feels like
20°F
Dew Point
17°F
2 PM
29°F
0%
7mph
S
Cloudy
Humidity
66%
Feels like
22°F
Dew Point
19°F
3 PM
29°F
0%
7mph
S
Mostly Cloudy
Humidity
67%
Feels like
22°F
Dew Point
20°F
4 PM
29°F
0%
7mph
S
Mostly Cloudy
Humidity
68%
Feels like
22°F
Dew Point
20°F
5 PM
28°F
0%
7mph
S
Mostly Cloudy
Humidity
70%
Feels like
21°F
Dew Point
20°F
5:07 PM
6 PM
27°F
0%
6mph
S
Mostly Cloudy
Humidity
72%
Feels like
20°F
Dew Point
19°F
7 PM
27°F
0%
6mph
S
Mostly Cloudy
Humidity
72%
Feels like
20°F
Dew Point
19°F
8 PM
27°F
0%
6mph
SSW
Partly Cloudy
Humidity
72%
Feels like
20°F
Dew Point
19°F
9 PM
28°F
0%
6mph
SSW
Partly Cloudy
Humidity
71%
Feels like
21°F
Dew Point
20°F
10 PM
28°F
0%
6mph
SSW
Partly Cloudy
Humidity
71%
Feels like
22°F
Dew Point
20°F
11 PM
28°F
0%
6mph
SSW
Mostly Clear
Humidity
72%
Feels like
22°F
Dew Point
20°F

Snow Forecast through Sunday

Unrelenting Storm Track Brings Snow to Great Lakes & Eastern U.S.

Two main areas of low pressure will produce snow in the Upper Midwest, Great Lakes and Eastern U.S.

Monday's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

Vehicle driving in wintry conditions

Prepare Your Car for Cold 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

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