S
M
T
W
T
F
S
31
77°
42°
1
72°
51°
2
77°
46°
3
84°
54°
4
87°
55°
5
91°
56°
6
89°
62°
7
84°
64°
8
78°
55°
9
84°
65°
10
78°
71°
11
93°
73°
12
93°
72°
13
90°
67°
14
88°
66°
15
85°
64°
16
84°
63°
17
81°
64°
18
83°
64°
19
84°
65°
20
83°
64°
21
84°
61°
22
84°
64°
23
80°
65°
24
82°
61°
25
80°
64°
26
84°
64°
27
85°
67°
28
87°
66°
29
83°
62°
30
81°
61°
1
81°
63°
2
84°
62°
3
81°
62°
4
83°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Upper Montclair
Upper Montclair's June 2026 forecast shows daily high temperatures ranging from 78° to 93°, with overnight lows between 55° and 73°. The average high for June is 84° with an average low of 64°. 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 Upper Montclair. See also: July | August | September.
