S
M
T
W
T
F
S
26
80°
54°
27
83°
55°
28
82°
59°
29
72°
62°
30
75°
61°
31
77°
60°
1
83°
57°
2
82°
63°
3
81°
58°
4
82°
55°
5
85°
54°
6
88°
58°
7
86°
67°
8
80°
63°
9
80°
61°
10
80°
58°
11
77°
57°
12
74°
53°
13
75°
54°
14
71°
48°
15
70°
46°
16
74°
44°
17
75°
64°
18
78°
60°
19
77°
59°
20
76°
51°
21
78°
55°
22
77°
57°
23
73°
57°
24
69°
52°
25
72°
50°
26
73°
49°
27
74°
51°
28
73°
50°
29
72°
51°
30
74°
51°
31
74°
50°
1
74°
47°
2
68°
44°
3
71°
52°
4
70°
47°
5
65°
45°
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 65° to 78°, with overnight lows between 44° and 59°. The average high for August is 73° 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 Willoughby. See also: September | October | November.
