Hourly Weather Forecast - Mertztown, PA

12 AM
28°F
0%
6mph
SW
Mostly Clear
Humidity
74%
Feels like
22°F
Dew Point
21°F
1 AM
28°F
0%
6mph
SW
Mostly Clear
Humidity
78%
Feels like
21°F
Dew Point
21°F
2 AM
27°F
0%
5mph
SW
Mostly Clear
Humidity
81%
Feels like
21°F
Dew Point
22°F
3 AM
26°F
0%
5mph
SW
Clear
Humidity
85%
Feels like
20°F
Dew Point
22°F
4 AM
25°F
0%
5mph
SW
Clear
Humidity
89%
Feels like
20°F
Dew Point
23°F
5 AM
25°F
0%
4mph
SW
Hazy
Humidity
91%
Feels like
20°F
Dew Point
23°F
6 AM
26°F
0%
4mph
SW
Mostly Clear
Humidity
90%
Feels like
20°F
Dew Point
23°F
7 AM
27°F
10%
4mph
SW
Partly Cloudy
Humidity
88%
Feels like
22°F
Dew Point
24°F
7:20 AM
8 AM
29°F
10%
4mph
SW
Mostly Sunny
Humidity
86%
Feels like
24°F
Dew Point
26°F
9 AM
32°F
0%
4mph
SW
Mostly Sunny
Humidity
83%
Feels like
27°F
Dew Point
27°F
10 AM
34°F
0%
5mph
WSW
Mostly Sunny
Humidity
78%
Feels like
30°F
Dew Point
28°F
11 AM
37°F
0%
6mph
WSW
Partly Cloudy
Humidity
75%
Feels like
32°F
Dew Point
29°F
12 PM
38°F
0%
7mph
WSW
Partly Cloudy
Humidity
72%
Feels like
33°F
Dew Point
30°F
1 PM
40°F
0%
9mph
WSW
Mostly Cloudy
Humidity
69%
Feels like
34°F
Dew Point
30°F
2 PM
40°F
0%
9mph
WSW
Partly Cloudy
Humidity
67%
Feels like
34°F
Dew Point
30°F
3 PM
39°F
0%
8mph
WSW
Partly Cloudy
Humidity
66%
Feels like
33°F
Dew Point
28°F
4 PM
36°F
0%
7mph
WSW
Partly Cloudy
Humidity
65%
Feels like
30°F
Dew Point
26°F
5 PM
33°F
0%
6mph
W
Partly Cloudy
Humidity
65%
Feels like
27°F
Dew Point
23°F
5:08 PM
6 PM
31°F
0%
6mph
W
Partly Cloudy
Humidity
63%
Feels like
25°F
Dew Point
20°F
7 PM
29°F
0%
5mph
W
Partly Cloudy
Humidity
62%
Feels like
24°F
Dew Point
18°F
8 PM
28°F
0%
5mph
W
Partly Cloudy
Humidity
62%
Feels like
23°F
Dew Point
17°F
9 PM
27°F
0%
5mph
W
Mostly Clear
Humidity
64%
Feels like
21°F
Dew Point
16°F
10 PM
26°F
0%
5mph
W
Clear
Humidity
65%
Feels like
20°F
Dew Point
16°F
11 PM
25°F
0%
5mph
W
Mostly Clear
Humidity
67%
Feels like
19°F
Dew Point
15°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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