S
M
T
W
T
F
S
29
57°
27°
30
72°
41°
31
81°
61°
1
79°
52°
2
52°
41°
3
63°
41°
4
79°
43°
5
55°
43°
6
54°
39°
7
50°
32°
8
52°
28°
9
61°
30°
10
73°
49°
11
65°
37°
12
64°
50°
13
79°
57°
14
85°
61°
15
88°
61°
16
82°
55°
17
80°
49°
18
68°
41°
19
66°
45°
20
62°
44°
21
65°
47°
22
71°
54°
23
76°
42°
24
60°
47°
25
60°
47°
26
60°
42°
27
60°
41°
28
61°
41°
29
61°
42°
30
62°
41°
1
63°
50°
2
72°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Mertztown
Mertztown's April 2026 forecast shows daily high temperatures ranging from 60° to 88°, with overnight lows between 37° and 61°. The average high for April is 69° with an average low of 47°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Mertztown. See also: May | June | July.
