S
M
T
W
T
F
S
27
58°
56°
28
57°
54°
29
67°
54°
30
71°
54°
1
75°
56°
2
86°
62°
3
71°
45°
4
64°
40°
5
69°
42°
6
61°
38°
7
66°
33°
8
72°
49°
9
67°
39°
10
64°
36°
11
57°
38°
12
72°
48°
13
59°
50°
14
75°
52°
15
63°
40°
16
68°
43°
17
57°
29°
18
57°
26°
19
62°
29°
20
66°
38°
21
57°
39°
22
64°
35°
23
54°
28°
24
60°
32°
25
65°
38°
26
68°
40°
27
61°
38°
28
51°
36°
29
55°
39°
30
59°
40°
31
50°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Princeton
Princeton's October 2026 forecast shows daily high temperatures ranging from 50° to 68°, with overnight lows between 28° and 41°. The average high for October is 59° with an average low of 37°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Princeton. See also: November | December | January.
