S
M
T
W
T
F
S
26
103°
77°
27
106°
80°
28
105°
79°
29
101°
80°
30
102°
78°
31
100°
76°
1
103°
79°
2
104°
80°
3
106°
77°
4
101°
79°
5
102°
78°
6
102°
79°
7
104°
80°
8
106°
80°
9
104°
77°
10
107°
76°
11
106°
74°
12
104°
74°
13
103°
73°
14
101°
74°
15
100°
76°
16
101°
79°
17
105°
79°
18
107°
75°
19
104°
76°
20
100°
79°
21
104°
78°
22
103°
78°
23
106°
77°
24
102°
74°
25
104°
75°
26
100°
76°
27
104°
77°
28
104°
71°
29
100°
71°
30
98°
72°
31
99°
74°
1
99°
74°
2
100°
72°
3
99°
70°
4
100°
69°
5
98°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fuller Ranch
Fuller Ranch's August 2026 forecast shows daily high temperatures ranging from 98° to 107°, with overnight lows between 69° and 80°. The average high for August is 103° with an average low of 76°. 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 Fuller Ranch. See also: September | October | November.