S
M
T
W
T
F
S
31
82°
51°
1
79°
49°
2
76°
49°
3
76°
50°
4
77°
51°
5
77°
52°
6
78°
59°
7
82°
52°
8
79°
54°
9
81°
53°
10
80°
53°
11
79°
55°
12
79°
52°
13
80°
52°
14
78°
54°
15
81°
55°
16
82°
56°
17
81°
53°
18
79°
53°
19
80°
55°
20
80°
59°
21
87°
59°
22
89°
61°
23
89°
64°
24
90°
61°
25
89°
63°
26
89°
60°
27
88°
61°
28
89°
63°
29
88°
65°
30
83°
64°
1
89°
58°
2
83°
56°
3
82°
59°
4
81°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Rockville
Rockville's June 2026 forecast shows daily high temperatures ranging from 76° to 90°, with overnight lows between 49° and 66°. The average high for June is 82° with an average low of 56°. 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 Rockville. See also: July | August | September.
