S
M
T
W
T
F
S
26
87°
78°
27
87°
77°
28
88°
78°
29
87°
77°
30
88°
78°
31
89°
78°
1
91°
77°
2
92°
78°
3
91°
78°
4
92°
77°
5
91°
77°
6
89°
78°
7
90°
78°
8
89°
77°
9
90°
78°
10
91°
77°
11
90°
77°
12
90°
76°
13
89°
75°
14
91°
76°
15
92°
76°
16
90°
76°
17
91°
75°
18
93°
76°
19
92°
75°
20
91°
76°
21
92°
76°
22
91°
74°
23
91°
73°
24
89°
74°
25
89°
76°
26
90°
75°
27
89°
74°
28
90°
75°
29
91°
75°
30
91°
76°
31
88°
75°
1
88°
75°
2
89°
74°
3
88°
74°
4
89°
75°
5
89°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Cortez
Cortez's August 2026 forecast shows daily high temperatures ranging from 87° to 93°, with overnight lows between 73° and 78°. The average high for August is 90° 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 Cortez. See also: September | October | November.
