S
M
T
W
T
F
S
28
80°
61°
29
85°
64°
30
85°
63°
1
90°
67°
2
94°
71°
3
92°
73°
4
87°
70°
5
79°
67°
6
69°
61°
7
64°
58°
8
84°
66°
9
89°
71°
10
89°
67°
11
84°
59°
12
84°
58°
13
85°
63°
14
89°
69°
15
91°
64°
16
84°
60°
17
84°
62°
18
80°
61°
19
80°
62°
20
82°
61°
21
81°
60°
22
78°
59°
23
79°
60°
24
82°
60°
25
79°
60°
26
79°
62°
27
84°
65°
28
79°
65°
29
82°
64°
30
84°
65°
31
83°
65°
1
82°
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 78° to 91°, with overnight lows between 58° and 71°. The average high for July is 83° with an average low of 63°. 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.
