S
M
T
W
T
F
S
27
74°
39°
28
68°
50°
29
68°
38°
30
64°
49°
1
69°
36°
2
71°
36°
3
61°
35°
4
56°
38°
5
59°
40°
6
60°
44°
7
66°
46°
8
67°
48°
9
62°
48°
10
68°
45°
11
68°
38°
12
65°
34°
13
54°
39°
14
54°
36°
15
55°
33°
16
55°
32°
17
56°
39°
18
58°
42°
19
63°
42°
20
62°
41°
21
61°
43°
22
63°
38°
23
62°
33°
24
53°
35°
25
56°
28°
26
50°
34°
27
52°
39°
28
48°
36°
29
49°
33°
30
51°
37°
31
Hist. Avg.
51°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Princeton
Princeton's October 2026 forecast shows daily high temperatures ranging from 48° to 74°, with overnight lows between 28° and 50°. The average high for October is 60° with an average low of 39°. 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.
