S
M
T
W
T
F
S
28
85°
61°
29
86°
59°
30
86°
61°
1
94°
68°
2
96°
69°
3
93°
74°
4
86°
70°
5
84°
65°
6
77°
66°
7
74°
60°
8
86°
57°
9
89°
65°
10
83°
71°
11
82°
64°
12
83°
60°
13
85°
66°
14
96°
75°
15
90°
66°
16
87°
62°
17
83°
61°
18
81°
65°
19
82°
60°
20
81°
61°
21
80°
62°
22
79°
60°
23
82°
62°
24
81°
62°
25
82°
61°
26
83°
59°
27
77°
57°
28
78°
62°
29
78°
58°
30
76°
58°
31
76°
62°
1
78°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Princetown
Princetown's July 2026 forecast shows daily high temperatures ranging from 76° to 96°, with overnight lows between 57° and 75°. The average high for July is 82° with an average low of 62°. 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 Princetown. See also: August | September | October.