S
M
T
W
T
F
S
28
84°
63°
29
86°
58°
30
90°
56°
1
94°
73°
2
99°
77°
3
99°
74°
4
95°
66°
5
90°
64°
6
78°
61°
7
81°
60°
8
82°
62°
9
86°
65°
10
89°
64°
11
88°
63°
12
90°
65°
13
89°
65°
14
86°
61°
15
79°
57°
16
80°
58°
17
81°
62°
18
81°
61°
19
83°
63°
20
84°
64°
21
81°
64°
22
81°
63°
23
82°
64°
24
81°
64°
25
82°
63°
26
83°
64°
27
85°
64°
28
86°
63°
29
87°
64°
30
86°
65°
31
87°
65°
1
88°
64°
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 78° to 99°, with overnight lows between 57° and 77°. 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.
