S
M
T
W
T
F
S
26
85°
67°
27
86°
68°
28
85°
68°
29
86°
69°
30
87°
68°
31
85°
68°
1
80°
67°
2
78°
64°
3
78°
61°
4
77°
67°
5
78°
67°
6
79°
64°
7
80°
64°
8
82°
63°
9
83°
67°
10
84°
67°
11
83°
66°
12
84°
66°
13
84°
67°
14
85°
65°
15
86°
67°
16
83°
66°
17
80°
65°
18
79°
67°
19
83°
64°
20
79°
59°
21
79°
57°
22
77°
59°
23
78°
59°
24
79°
60°
25
78°
57°
26
78°
64°
27
77°
60°
28
80°
58°
29
76°
59°
30
76°
57°
31
77°
57°
1
74°
58°
2
76°
61°
3
75°
58°
4
76°
57°
5
76°
55°
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 74° to 87°, with overnight lows between 55° and 69°. The average high for August is 80° 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 August weather will actually feel in Greenock. See also: September | October | November.
