S
M
T
W
T
F
S
27
78°
49°
28
82°
47°
29
84°
49°
30
92°
60°
1
92°
68°
2
74°
58°
3
76°
51°
4
81°
49°
5
76°
48°
6
77°
43°
7
89°
46°
8
85°
48°
9
88°
47°
10
73°
56°
11
83°
55°
12
92°
54°
13
92°
64°
14
77°
68°
15
82°
69°
16
73°
51°
17
59°
39°
18
67°
37°
19
72°
38°
20
74°
43°
21
76°
42°
22
76°
43°
23
74°
43°
24
75°
43°
25
78°
42°
26
77°
45°
27
76°
45°
28
78°
45°
29
83°
50°
30
76°
56°
31
71°
58°
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 71° to 76°, with overnight lows between 56° and 58°. The average high for October is 74° with an average low of 57°. 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.
