S
M
T
W
T
F
S
31
93°
78°
1
93°
77°
2
94°
75°
3
87°
74°
4
81°
76°
5
84°
75°
6
84°
75°
7
88°
75°
8
89°
76°
9
88°
76°
10
85°
76°
11
83°
75°
12
86°
75°
13
89°
77°
14
88°
76°
15
88°
76°
16
89°
79°
17
86°
75°
18
87°
74°
19
85°
74°
20
86°
75°
21
86°
75°
22
87°
74°
23
86°
75°
24
86°
75°
25
87°
74°
26
86°
73°
27
86°
76°
28
87°
76°
29
86°
75°
30
86°
76°
1
87°
75°
2
89°
76°
3
89°
76°
4
88°
75°
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 81° to 89°, with overnight lows between 73° and 79°. The average high for June is 87° with an average low of 75°. 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.
