Hourly Weather Forecast - Mertztown, PA

10 AM
47°F
0%
6mph
N
Mostly Sunny
Humidity
73%
Feels like
44°F
Dew Point
39°F
11 AM
48°F
0%
6mph
N
Mostly Sunny
Humidity
67%
Feels like
45°F
Dew Point
38°F
12 PM
49°F
0%
6mph
N
Sunny
Humidity
61%
Feels like
47°F
Dew Point
37°F
1 PM
51°F
0%
5mph
NNW
Mostly Sunny
Humidity
56%
Feels like
51°F
Dew Point
36°F
2 PM
52°F
0%
4mph
NNW
Mostly Sunny
Humidity
52%
Feels like
52°F
Dew Point
35°F
3 PM
53°F
0%
4mph
NNW
Mostly Sunny
Humidity
49%
Feels like
53°F
Dew Point
35°F
4 PM
53°F
0%
3mph
NNW
Mostly Sunny
Humidity
48%
Feels like
53°F
Dew Point
34°F
5 PM
53°F
0%
3mph
NNW
Partly Cloudy
Humidity
49%
Feels like
53°F
Dew Point
34°F
6 PM
51°F
0%
2mph
NNW
Mostly Cloudy
Humidity
51%
Feels like
51°F
Dew Point
34°F
7 PM
49°F
0%
2mph
NNE
Mostly Cloudy
Humidity
54%
Feels like
49°F
Dew Point
34°F
7:15 PM
8 PM
48°F
0%
2mph
NE
Mostly Cloudy
Humidity
56%
Feels like
48°F
Dew Point
33°F
9 PM
47°F
0%
1mph
ENE
Cloudy
Humidity
57%
Feels like
47°F
Dew Point
33°F
10 PM
46°F
0%
1mph
E
Cloudy
Humidity
59%
Feels like
46°F
Dew Point
32°F
11 PM
45°F
10%
2mph
ESE
Mostly Cloudy
Humidity
61%
Feels like
45°F
Dew Point
32°F

Today's High Temperature Outlook

Early Spring Heat Wave Zaps Southwest

Much of the Southwest will observe record-breaking heat through the weekend, with high temperatures reminiscent of mid-summer!

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for March 19, 2026

Active Weather, Drought Improvements for Eastern Half; Drying Persists Elsewhere

(Image provided by Pixabay.com)

Lightning Safety

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

Story image: WeatherBug user Pat S. captures a plant blooming in Columbia, Md., on February 24, 2017.

When Does Spring Begin?

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