S
M
T
W
T
F
S
28
79°
72°
29
85°
69°
30
89°
65°
1
96°
74°
2
99°
77°
3
100°
79°
4
100°
72°
5
91°
71°
6
87°
73°
7
84°
71°
8
83°
71°
9
89°
73°
10
91°
73°
11
86°
68°
12
84°
67°
13
84°
67°
14
89°
70°
15
96°
74°
16
95°
75°
17
94°
76°
18
91°
75°
19
90°
72°
20
88°
72°
21
89°
71°
22
87°
73°
23
88°
70°
24
89°
74°
25
85°
72°
26
84°
71°
27
86°
74°
28
86°
74°
29
88°
73°
30
87°
74°
31
85°
73°
1
85°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Great Mills
Great Mills's July 2026 forecast shows daily high temperatures ranging from 84° to 96°, with overnight lows between 67° and 76°. The average high for July is 88° with an average low of 72°. 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 Great Mills. See also: August | September | October.