S
M
T
W
T
F
S
26
72°
58°
27
72°
59°
28
71°
57°
29
71°
57°
30
74°
56°
31
72°
58°
1
74°
58°
2
73°
59°
3
77°
59°
4
78°
60°
5
79°
61°
6
78°
59°
7
79°
61°
8
78°
59°
9
78°
58°
10
77°
57°
11
78°
57°
12
79°
59°
13
79°
59°
14
78°
58°
15
77°
60°
16
76°
59°
17
75°
58°
18
75°
57°
19
74°
58°
20
75°
61°
21
76°
58°
22
75°
57°
23
78°
58°
24
79°
58°
25
80°
61°
26
81°
60°
27
80°
60°
28
79°
59°
29
78°
59°
30
77°
58°
31
76°
57°
1
77°
58°
2
78°
59°
3
80°
59°
4
80°
60°
5
79°
60°
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 71° to 81°, with overnight lows between 56° and 61°. The average high for August is 77° with an average low of 59°. 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.
