S
M
T
W
T
F
S
28
85°
58°
29
86°
54°
30
88°
57°
1
94°
67°
2
95°
69°
3
93°
69°
4
87°
68°
5
78°
60°
6
66°
56°
7
65°
58°
8
75°
57°
9
79°
65°
10
76°
57°
11
72°
55°
12
73°
54°
13
74°
58°
14
72°
58°
15
73°
57°
16
73°
59°
17
76°
57°
18
74°
54°
19
73°
54°
20
71°
51°
21
69°
52°
22
70°
51°
23
71°
51°
24
73°
52°
25
76°
57°
26
77°
58°
27
77°
58°
28
78°
57°
29
78°
58°
30
77°
58°
31
76°
57°
1
77°
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 65° to 79°, with overnight lows between 51° and 65°. The average high for July is 74° 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 Marlboro. See also: August | September | October.