S
M
T
W
T
F
S
27
80°
61°
28
86°
51°
29
93°
57°
30
91°
61°
1
93°
57°
2
95°
59°
3
99°
62°
4
93°
63°
5
99°
62°
6
101°
63°
7
98°
64°
8
100°
65°
9
95°
60°
10
86°
57°
11
88°
56°
12
87°
58°
13
86°
56°
14
83°
54°
15
84°
55°
16
80°
48°
17
84°
54°
18
84°
53°
19
82°
53°
20
81°
52°
21
81°
52°
22
80°
51°
23
80°
51°
24
79°
50°
25
81°
51°
26
80°
51°
27
73°
50°
28
69°
44°
29
68°
45°
30
69°
44°
31
68°
44°
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 68° to 101°, with overnight lows between 44° and 65°. The average high for October is 84° with an average low of 54°. 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.
