S
M
T
W
T
F
S
31
77°
55°
1
80°
58°
2
77°
53°
3
83°
56°
4
83°
63°
5
82°
68°
6
85°
68°
7
86°
67°
8
84°
63°
9
83°
62°
10
84°
61°
11
85°
63°
12
85°
62°
13
88°
63°
14
85°
64°
15
86°
63°
16
83°
59°
17
79°
61°
18
83°
63°
19
83°
62°
20
86°
63°
21
87°
59°
22
79°
57°
23
80°
62°
24
87°
66°
25
88°
65°
26
88°
64°
27
84°
61°
28
83°
64°
29
85°
65°
30
86°
64°
1
86°
64°
2
85°
64°
3
86°
63°
4
88°
64°
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 79° to 88°, with overnight lows between 56° and 68°. The average high for June is 85° with an average low of 63°. 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.
