S
M
T
W
T
F
S
31
71°
39°
1
73°
42°
2
72°
41°
3
63°
37°
4
65°
38°
5
70°
38°
6
63°
37°
7
64°
38°
8
65°
40°
9
64°
43°
10
69°
41°
11
74°
42°
12
75°
44°
13
74°
44°
14
75°
47°
15
75°
48°
16
68°
45°
17
69°
43°
18
67°
40°
19
70°
41°
20
71°
45°
21
72°
40°
22
71°
42°
23
71°
43°
24
72°
42°
25
70°
46°
26
77°
47°
27
78°
42°
28
76°
42°
29
71°
42°
30
71°
39°
1
72°
41°
2
73°
41°
3
75°
43°
4
79°
41°
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 63° to 79°, with overnight lows between 37° and 48°. The average high for June is 71° with an average low of 42°. 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.
