S
M
T
W
T
F
S
28
90°
68°
29
84°
69°
30
84°
69°
1
91°
62°
2
86°
62°
3
84°
69°
4
89°
70°
5
91°
69°
6
91°
70°
7
92°
69°
8
92°
68°
9
91°
69°
10
92°
69°
11
91°
69°
12
88°
66°
13
Hist. Avg.
89°
67°
14
Hist. Avg.
89°
67°
15
Hist. Avg.
89°
66°
16
Hist. Avg.
88°
66°
17
Hist. Avg.
88°
66°
18
Hist. Avg.
88°
66°
19
Hist. Avg.
88°
66°
20
Hist. Avg.
88°
66°
21
Hist. Avg.
88°
66°
22
Hist. Avg.
88°
66°
23
Hist. Avg.
88°
66°
24
Hist. Avg.
88°
66°
25
Hist. Avg.
88°
66°
26
Hist. Avg.
88°
66°
27
Hist. Avg.
88°
66°
28
Hist. Avg.
88°
66°
29
Hist. Avg.
88°
66°
30
Hist. Avg.
88°
66°
31
Hist. Avg.
88°
66°
1
Hist. Avg.
88°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
July Weather in Princeton
Princeton's July 2026 forecast shows daily high temperatures ranging from 84° to 92°, with overnight lows between 62° and 70°. The average high for July is 89° with an average low of 68°. 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 Princeton. See also: August | September | October.
