S
M
T
W
T
F
S
31
81°
64°
1
80°
64°
2
80°
58°
3
82°
53°
4
85°
64°
5
85°
67°
6
88°
70°
7
84°
73°
8
81°
71°
9
83°
69°
10
80°
70°
11
88°
71°
12
87°
69°
13
89°
68°
14
88°
69°
15
89°
70°
16
86°
68°
17
87°
64°
18
88°
68°
19
89°
71°
20
91°
70°
21
88°
69°
22
85°
69°
23
87°
68°
24
90°
71°
25
90°
71°
26
91°
70°
27
90°
70°
28
87°
69°
29
85°
70°
30
85°
69°
1
86°
70°
2
85°
69°
3
84°
66°
4
85°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Princeton
Princeton's June 2026 forecast shows daily high temperatures ranging from 80° to 91°, with overnight lows between 64° and 73°. The average high for June is 87° with an average low of 69°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Princeton. See also: July | August | September.
