S
M
T
W
T
F
S
28
73°
54°
29
70°
52°
30
72°
55°
1
75°
55°
2
77°
54°
3
79°
50°
4
77°
57°
5
82°
59°
6
88°
55°
7
84°
57°
8
90°
61°
9
90°
61°
10
91°
66°
11
88°
64°
12
86°
59°
13
81°
57°
14
79°
61°
15
82°
63°
16
85°
56°
17
84°
55°
18
80°
52°
19
76°
52°
20
79°
54°
21
80°
55°
22
79°
55°
23
79°
60°
24
80°
58°
25
78°
59°
26
75°
58°
27
75°
57°
28
74°
56°
29
72°
58°
30
71°
57°
31
71°
58°
1
72°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Marlborough
Marlborough's July 2026 forecast shows daily high temperatures ranging from 71° to 85°, with overnight lows between 52° and 60°. The average high for July is 77° with an average low of 56°. 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 Marlborough. See also: August | September | October.
