S
M
T
W
T
F
S
31
77°
42°
1
72°
49°
2
77°
58°
3
83°
61°
4
88°
65°
5
91°
69°
6
92°
65°
7
88°
60°
8
76°
58°
9
80°
60°
10
77°
62°
11
84°
64°
12
85°
64°
13
84°
63°
14
85°
59°
15
79°
56°
16
76°
57°
17
76°
56°
18
78°
57°
19
80°
59°
20
82°
59°
21
81°
58°
22
78°
58°
23
78°
63°
24
79°
65°
25
81°
59°
26
79°
59°
27
82°
65°
28
86°
66°
29
83°
62°
30
81°
61°
1
80°
61°
2
81°
62°
3
83°
67°
4
87°
67°
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 72° to 92°, with overnight lows between 49° and 69°. The average high for June is 82° with an average low of 61°. 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.
