S
M
T
W
T
F
S
26
75°
58°
27
71°
57°
28
70°
59°
29
69°
57°
30
68°
55°
31
70°
55°
1
69°
56°
2
73°
57°
3
70°
57°
4
68°
56°
5
68°
56°
6
69°
57°
7
71°
58°
8
74°
57°
9
73°
58°
10
74°
60°
11
73°
59°
12
74°
61°
13
72°
61°
14
71°
60°
15
74°
61°
16
75°
60°
17
75°
61°
18
74°
61°
19
75°
60°
20
75°
61°
21
74°
61°
22
76°
60°
23
73°
59°
24
75°
58°
25
75°
59°
26
75°
60°
27
76°
59°
28
78°
61°
29
77°
60°
30
78°
60°
31
78°
59°
1
77°
60°
2
77°
62°
3
78°
61°
4
78°
59°
5
77°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fruitvale
Fruitvale's August 2026 forecast shows daily high temperatures ranging from 68° to 78°, with overnight lows between 55° and 62°. The average high for August is 74° 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 Fruitvale. See also: September | October | November.