S
M
T
W
T
F
S
26
90°
80°
27
91°
80°
28
90°
81°
29
90°
81°
30
N/A
31
90°
80°
1
88°
81°
2
88°
80°
3
89°
81°
4
89°
80°
5
89°
81°
6
90°
79°
7
93°
78°
8
93°
76°
9
93°
76°
10
92°
75°
11
91°
76°
12
92°
77°
13
89°
76°
14
88°
76°
15
88°
77°
16
89°
76°
17
88°
76°
18
88°
75°
19
89°
75°
20
88°
74°
21
88°
77°
22
89°
76°
23
88°
75°
24
88°
76°
25
89°
76°
26
89°
75°
27
88°
76°
28
89°
76°
29
88°
75°
30
88°
76°
31
89°
76°
1
89°
75°
2
88°
76°
3
89°
76°
4
88°
75°
5
90°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in El Negro
El Negro's August 2026 forecast shows daily high temperatures ranging from 88° to 93°, with overnight lows between 74° and 81°. The average high for August is 89° with an average low of 77°. 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 El Negro. See also: September | October | November.