S
M
T
W
T
F
S
26
74°
49°
27
74°
47°
28
73°
51°
29
75°
56°
30
76°
56°
31
81°
55°
1
81°
57°
2
80°
57°
3
82°
56°
4
82°
52°
5
79°
49°
6
73°
49°
7
73°
50°
8
74°
49°
9
75°
53°
10
77°
51°
11
75°
53°
12
80°
54°
13
79°
50°
14
77°
54°
15
79°
55°
16
79°
51°
17
78°
49°
18
73°
47°
19
72°
47°
20
78°
48°
21
77°
53°
22
74°
52°
23
71°
49°
24
72°
50°
25
77°
53°
26
78°
48°
27
77°
44°
28
73°
46°
29
71°
50°
30
69°
51°
31
77°
53°
1
78°
51°
2
76°
50°
3
75°
45°
4
70°
45°
5
75°
50°
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 69° to 82°, with overnight lows between 44° and 57°. The average high for August is 76° 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.
