S
M
T
W
T
F
S
28
73°
54°
29
70°
52°
30
N/A
1
74°
57°
2
77°
50°
3
77°
55°
4
76°
57°
5
80°
56°
6
85°
58°
7
83°
63°
8
85°
61°
9
84°
63°
10
80°
61°
11
81°
59°
12
80°
60°
13
73°
57°
14
69°
57°
15
71°
54°
16
70°
57°
17
73°
58°
18
72°
57°
19
69°
55°
20
68°
58°
21
72°
58°
22
72°
59°
23
73°
59°
24
72°
58°
25
73°
58°
26
74°
57°
27
73°
58°
28
74°
59°
29
74°
59°
30
75°
60°
31
76°
61°
1
77°
60°
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 68° to 85°, with overnight lows between 50° and 63°. The average high for July is 75° with an average low of 58°. 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.
