S
M
T
W
T
F
S
26
66°
50°
27
66°
48°
28
70°
59°
29
63°
50°
30
63°
46°
31
63°
43°
1
63°
50°
2
66°
48°
3
64°
52°
4
70°
57°
5
61°
55°
6
63°
54°
7
64°
55°
8
66°
54°
9
64°
52°
10
63°
48°
11
72°
54°
12
72°
58°
13
74°
58°
14
66°
54°
15
65°
52°
16
65°
51°
17
66°
54°
18
65°
53°
19
66°
53°
20
64°
52°
21
65°
52°
22
63°
51°
23
63°
50°
24
61°
49°
25
61°
48°
26
62°
49°
27
61°
48°
28
61°
48°
29
62°
49°
30
61°
48°
31
61°
48°
1
62°
52°
2
64°
52°
3
64°
51°
4
61°
50°
5
60°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Greenock
Greenock's August 2026 forecast shows daily high temperatures ranging from 60° to 74°, with overnight lows between 48° and 58°. The average high for August is 64° with an average low of 51°. 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 Greenock. See also: September | October | November.
