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
73°
60°
7
68°
60°
8
82°
65°
9
88°
71°
10
89°
67°
11
82°
59°
12
81°
60°
13
80°
60°
14
81°
63°
15
82°
63°
16
81°
61°
17
82°
62°
18
82°
62°
19
83°
63°
20
79°
59°
21
78°
60°
22
78°
59°
23
79°
60°
24
80°
60°
25
82°
62°
26
84°
64°
27
84°
65°
28
85°
65°
29
85°
64°
30
84°
65°
31
83°
65°
1
84°
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 68° to 89°, with overnight lows between 59° and 71°. The average high for July is 81° 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.
