S
M
T
W
T
F
S
26
78°
54°
27
77°
53°
28
79°
52°
29
79°
50°
30
78°
51°
31
77°
50°
1
76°
51°
2
75°
50°
3
76°
51°
4
79°
54°
5
78°
55°
6
79°
55°
7
80°
53°
8
80°
53°
9
79°
52°
10
80°
49°
11
78°
46°
12
76°
46°
13
73°
47°
14
73°
47°
15
75°
46°
16
77°
46°
17
78°
47°
18
78°
52°
19
77°
50°
20
79°
49°
21
78°
48°
22
75°
46°
23
72°
44°
24
71°
44°
25
72°
43°
26
71°
45°
27
71°
45°
28
72°
46°
29
72°
48°
30
73°
51°
31
75°
51°
1
78°
52°
2
78°
50°
3
79°
50°
4
78°
49°
5
77°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Rockland
Rockland's August 2026 forecast shows daily high temperatures ranging from 71° to 80°, with overnight lows between 43° and 55°. The average high for August is 76° with an average low of 49°. 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 Rockland. See also: September | October | November.