S
M
T
W
T
F
S
28
84°
63°
29
86°
58°
30
88°
67°
1
96°
75°
2
99°
79°
3
99°
74°
4
95°
68°
5
90°
64°
6
84°
61°
7
83°
60°
8
85°
62°
9
85°
62°
10
86°
61°
11
86°
63°
12
83°
61°
13
81°
60°
14
79°
57°
15
79°
57°
16
80°
58°
17
80°
60°
18
81°
59°
19
81°
63°
20
82°
63°
21
82°
64°
22
87°
64°
23
85°
64°
24
85°
65°
25
87°
64°
26
88°
65°
27
88°
66°
28
87°
65°
29
87°
65°
30
86°
63°
31
80°
61°
1
80°
59°
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 79° to 99°, with overnight lows between 57° and 79°. The average high for July is 86° with an average low of 64°. 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.
