S
M
T
W
T
F
S
29
58°
21°
30
73°
39°
31
81°
55°
1
82°
52°
2
52°
41°
3
66°
41°
4
78°
43°
5
57°
42°
6
58°
36°
7
55°
32°
8
53°
29°
9
60°
23°
10
71°
35°
11
64°
39°
12
63°
31°
13
80°
57°
14
81°
61°
15
85°
62°
16
86°
63°
17
82°
57°
18
73°
55°
19
67°
38°
20
59°
35°
21
61°
38°
22
65°
48°
23
66°
45°
24
68°
48°
25
64°
44°
26
65°
41°
27
58°
37°
28
60°
42°
29
61°
40°
30
65°
38°
1
60°
38°
2
60°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Mendham
Mendham's April 2026 forecast shows daily high temperatures ranging from 58° to 86°, with overnight lows between 35° and 63°. The average high for April is 68° with an average low of 46°. 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 Mendham. See also: May | June | July.
