S
M
T
W
T
F
S
28
79°
60°
29
80°
59°
30
85°
69°
1
96°
73°
2
98°
77°
3
99°
71°
4
94°
68°
5
84°
63°
6
81°
61°
7
79°
60°
8
82°
61°
9
83°
63°
10
82°
63°
11
84°
62°
12
81°
61°
13
82°
62°
14
78°
58°
15
77°
58°
16
78°
60°
17
79°
61°
18
79°
62°
19
80°
64°
20
80°
65°
21
81°
66°
22
85°
66°
23
84°
65°
24
84°
66°
25
85°
67°
26
86°
66°
27
86°
67°
28
85°
66°
29
85°
66°
30
84°
64°
31
78°
61°
1
78°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Marlboro
Marlboro's July 2026 forecast shows daily high temperatures ranging from 77° to 99°, with overnight lows between 58° and 77°. The average high for July is 84° 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 Marlboro. See also: August | September | October.