S
M
T
W
T
F
S
31
93°
78°
1
93°
77°
2
94°
75°
3
87°
75°
4
83°
75°
5
83°
77°
6
85°
77°
7
87°
78°
8
89°
78°
9
89°
78°
10
87°
80°
11
89°
76°
12
89°
77°
13
91°
76°
14
92°
78°
15
94°
77°
16
92°
77°
17
94°
78°
18
94°
79°
19
92°
80°
20
92°
73°
21
94°
73°
22
94°
78°
23
89°
79°
24
91°
77°
25
92°
74°
26
92°
77°
27
92°
79°
28
92°
78°
29
92°
81°
30
93°
77°
1
90°
77°
2
90°
79°
3
91°
78°
4
90°
78°
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 90° to 93°, with overnight lows between 77° and 79°. The average high for June is 91° with an average low of 78°. 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.
