S
M
T
W
T
F
S
26
90°
77°
27
89°
77°
28
90°
77°
29
90°
79°
30
90°
75°
31
88°
75°
1
86°
75°
2
90°
77°
3
90°
77°
4
90°
78°
5
88°
77°
6
90°
75°
7
90°
77°
8
90°
77°
9
88°
79°
10
90°
79°
11
88°
78°
12
90°
77°
13
91°
79°
14
91°
79°
15
90°
80°
16
90°
80°
17
90°
78°
18
90°
77°
19
90°
75°
20
88°
75°
21
88°
75°
22
90°
77°
23
88°
77°
24
88°
79°
25
88°
77°
26
92°
77°
27
91°
77°
28
93°
77°
29
92°
78°
30
90°
77°
31
92°
76°
1
90°
75°
2
91°
73°
3
91°
72°
4
90°
73°
5
89°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Membrillo
Membrillo's August 2026 forecast shows daily high temperatures ranging from 89° to 93°, with overnight lows between 72° and 78°. The average high for August is 91° with an average low of 75°. 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 Membrillo. See also: September | October | November.