S
M
T
W
T
F
S
26
83°
71°
27
81°
63°
28
77°
64°
29
78°
68°
30
80°
65°
31
79°
63°
1
80°
64°
2
78°
62°
3
77°
63°
4
78°
62°
5
78°
62°
6
79°
65°
7
79°
67°
8
78°
68°
9
78°
70°
10
81°
66°
11
81°
70°
12
84°
66°
13
82°
65°
14
86°
62°
15
78°
62°
16
78°
63°
17
79°
63°
18
79°
62°
19
77°
63°
20
77°
61°
21
78°
62°
22
77°
61°
23
76°
64°
24
76°
64°
25
77°
65°
26
79°
69°
27
82°
69°
28
83°
68°
29
85°
60°
30
84°
60°
31
75°
61°
1
76°
60°
2
75°
67°
3
81°
60°
4
78°
58°
5
74°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Willoughby
Willoughby's August 2026 forecast shows daily high temperatures ranging from 74° to 86°, with overnight lows between 58° and 71°. The average high for August is 79° with an average low of 64°. 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 Willoughby. See also: September | October | November.
