S
M
T
W
T
F
S
26
79°
70°
27
78°
69°
28
77°
68°
29
77°
67°
30
77°
68°
31
78°
66°
1
78°
69°
2
79°
69°
3
78°
69°
4
76°
69°
5
78°
68°
6
80°
71°
7
80°
69°
8
80°
69°
9
79°
68°
10
80°
69°
11
80°
70°
12
79°
70°
13
75°
69°
14
78°
70°
15
78°
70°
16
77°
68°
17
79°
70°
18
79°
69°
19
79°
69°
20
78°
68°
21
79°
68°
22
79°
68°
23
81°
69°
24
80°
68°
25
82°
69°
26
83°
68°
27
86°
69°
28
80°
66°
29
80°
69°
30
79°
67°
31
76°
66°
1
78°
67°
2
77°
66°
3
74°
70°
4
76°
65°
5
80°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Coronado
Coronado's August 2026 forecast shows daily high temperatures ranging from 74° to 86°, with overnight lows between 65° and 70°. The average high for August is 79° with an average low of 68°. 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 Coronado. See also: September | October | November.
