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
76°
43°
5
65°
39°
6
57°
40°
7
49°
25°
8
52°
32°
9
59°
42°
10
73°
47°
11
75°
48°
12
77°
48°
13
72°
47°
14
70°
46°
15
68°
43°
16
65°
44°
17
66°
37°
18
57°
42°
19
58°
43°
20
67°
44°
21
67°
44°
22
69°
45°
23
70°
45°
24
70°
43°
25
69°
38°
26
60°
40°
27
58°
36°
28
61°
37°
29
61°
36°
30
59°
36°
1
62°
39°
2
63°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Millstone
Millstone's April 2026 forecast shows daily high temperatures ranging from 49° to 77°, with overnight lows between 25° and 48°. The average high for April is 65° with an average low of 41°. 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 Millstone. See also: May | June | July.