S
M
T
W
T
F
S
28
85°
70°
29
83°
68°
30
82°
64°
1
81°
65°
2
81°
68°
3
83°
70°
4
85°
71°
5
85°
69°
6
83°
67°
7
83°
69°
8
84°
71°
9
85°
72°
10
87°
71°
11
87°
71°
12
84°
70°
13
89°
70°
14
89°
66°
15
85°
67°
16
84°
66°
17
85°
67°
18
86°
68°
19
85°
71°
20
89°
71°
21
89°
72°
22
90°
67°
23
85°
67°
24
85°
66°
25
86°
66°
26
86°
67°
27
85°
69°
28
89°
67°
29
86°
68°
30
84°
72°
31
90°
67°
1
90°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Millsboro
Millsboro's July 2026 forecast shows daily high temperatures ranging from 81° to 90°, with overnight lows between 64° and 72°. The average high for July is 86° with an average low of 68°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Millsboro. See also: August | September | October.