S
M
T
W
T
F
S
29
63°
26°
30
71°
52°
31
79°
61°
1
73°
48°
2
81°
49°
3
76°
62°
4
83°
59°
5
64°
42°
6
55°
31°
7
43°
27°
8
62°
24°
9
74°
43°
10
77°
50°
11
59°
39°
12
80°
37°
13
79°
66°
14
78°
61°
15
85°
66°
16
82°
60°
17
76°
53°
18
83°
50°
19
52°
37°
20
47°
30°
21
69°
26°
22
76°
52°
23
78°
48°
24
81°
53°
25
66°
48°
26
66°
43°
27
76°
50°
28
73°
56°
29
63°
44°
30
56°
34°
1
53°
35°
2
52°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Millsboro
Millsboro's April 2026 forecast shows daily high temperatures ranging from 52° to 76°, with overnight lows between 34° and 56°. The average high for April is 63° with an average low of 43°. 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 Millsboro. See also: May | June | July.