S
M
T
W
T
F
S
26
89°
76°
27
90°
76°
28
88°
74°
29
89°
76°
30
89°
74°
31
88°
74°
1
88°
75°
2
90°
75°
3
92°
74°
4
92°
75°
5
91°
75°
6
91°
74°
7
92°
74°
8
91°
72°
9
91°
75°
10
90°
75°
11
92°
74°
12
92°
75°
13
91°
75°
14
92°
74°
15
91°
75°
16
92°
74°
17
91°
75°
18
92°
74°
19
92°
75°
20
91°
75°
21
91°
76°
22
90°
75°
23
91°
76°
24
91°
76°
25
92°
75°
26
92°
76°
27
91°
76°
28
92°
75°
29
92°
76°
30
90°
76°
31
91°
75°
1
92°
75°
2
91°
76°
3
92°
76°
4
93°
75°
5
93°
76°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Costa Brava
Costa Brava's August 2026 forecast shows daily high temperatures ranging from 88° to 93°, with overnight lows between 72° and 76°. 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 Costa Brava. See also: September | October | November.