S
M
T
W
T
F
S
26
97°
67°
27
97°
72°
28
91°
67°
29
91°
66°
30
90°
68°
31
73°
65°
1
85°
63°
2
84°
59°
3
85°
64°
4
77°
56°
5
80°
46°
6
82°
55°
7
78°
55°
8
81°
50°
9
82°
62°
10
82°
58°
11
85°
61°
12
85°
64°
13
83°
60°
14
81°
65°
15
77°
59°
16
79°
57°
17
79°
61°
18
80°
62°
19
83°
63°
20
78°
57°
21
77°
58°
22
80°
57°
23
80°
59°
24
78°
56°
25
79°
61°
26
81°
62°
27
81°
61°
28
79°
58°
29
74°
55°
30
71°
53°
31
72°
57°
1
73°
59°
2
75°
60°
3
78°
60°
4
78°
59°
5
76°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Rockville
Rockville's August 2026 forecast shows daily high temperatures ranging from 71° to 85°, with overnight lows between 53° and 65°. The average high for August is 79° with an average low of 59°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Rockville. See also: September | October | November.
