S
M
T
W
T
F
S
26
84°
64°
27
83°
66°
28
85°
67°
29
85°
67°
30
84°
66°
31
85°
68°
1
86°
66°
2
85°
67°
3
84°
66°
4
83°
65°
5
84°
67°
6
86°
66°
7
80°
61°
8
78°
62°
9
80°
64°
10
78°
66°
11
85°
67°
12
84°
67°
13
86°
66°
14
84°
65°
15
84°
64°
16
82°
65°
17
79°
63°
18
83°
64°
19
83°
63°
20
84°
64°
21
83°
61°
22
78°
55°
23
74°
54°
24
75°
53°
25
75°
54°
26
77°
54°
27
80°
58°
28
79°
62°
29
76°
61°
30
77°
61°
31
79°
60°
1
81°
59°
2
80°
52°
3
73°
57°
4
73°
60°
5
74°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Hayward
Hayward's August 2026 forecast shows daily high temperatures ranging from 73° to 86°, with overnight lows between 52° and 68°. The average high for August is 81° with an average low of 62°. 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 Hayward. See also: September | October | November.
