S
M
T
W
T
F
S
26
79°
59°
27
87°
66°
28
77°
66°
29
79°
68°
30
78°
62°
31
82°
60°
1
82°
70°
2
84°
68°
3
74°
58°
4
79°
66°
5
83°
70°
6
83°
70°
7
82°
70°
8
83°
70°
9
81°
69°
10
83°
71°
11
82°
68°
12
79°
64°
13
78°
66°
14
79°
66°
15
77°
63°
16
76°
64°
17
78°
65°
18
81°
70°
19
85°
69°
20
79°
69°
21
78°
66°
22
82°
69°
23
84°
70°
24
82°
70°
25
79°
69°
26
82°
70°
27
83°
69°
28
81°
68°
29
80°
67°
30
79°
68°
31
80°
67°
1
82°
66°
2
75°
63°
3
74°
62°
4
74°
64°
5
77°
65°
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 85°, with overnight lows between 62° and 71°. The average high for August is 80° with an average low of 67°. 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.
