S
M
T
W
T
F
S
28
81°
61°
29
76°
59°
30
75°
58°
1
76°
60°
2
77°
59°
3
76°
57°
4
77°
62°
5
78°
63°
6
77°
63°
7
78°
62°
8
78°
64°
9
79°
63°
10
79°
64°
11
81°
64°
12
78°
63°
13
78°
64°
14
79°
65°
15
79°
62°
16
78°
59°
17
78°
61°
18
79°
59°
19
79°
62°
20
81°
58°
21
84°
63°
22
85°
64°
23
81°
64°
24
85°
59°
25
83°
58°
26
80°
58°
27
80°
59°
28
81°
59°
29
80°
58°
30
82°
59°
31
82°
64°
1
85°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Westborough
Westborough's July 2026 forecast shows daily high temperatures ranging from 75° to 85°, with overnight lows between 57° and 65°. The average high for July is 80° with an average low of 61°. 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 Westborough. See also: August | September | October.
