S
M
T
W
T
F
S
26
75°
68°
27
75°
69°
28
76°
68°
29
76°
68°
30
75°
67°
31
73°
68°
1
74°
68°
2
76°
66°
3
74°
62°
4
71°
62°
5
72°
62°
6
71°
63°
7
72°
64°
8
72°
64°
9
74°
65°
10
74°
67°
11
73°
67°
12
76°
65°
13
75°
63°
14
73°
63°
15
72°
64°
16
72°
66°
17
73°
68°
18
74°
69°
19
76°
70°
20
77°
69°
21
75°
64°
22
74°
64°
23
71°
67°
24
73°
68°
25
76°
67°
26
76°
67°
27
75°
65°
28
72°
65°
29
71°
63°
30
71°
63°
31
74°
67°
1
74°
64°
2
Hist. Avg.
78°
67°
3
Hist. Avg.
78°
67°
4
Hist. Avg.
78°
67°
5
Hist. Avg.
78°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Mission Bay
Mission Bay's August 2026 forecast shows daily high temperatures ranging from 71° to 77°, with overnight lows between 62° and 70°. The average high for August is 74° with an average low of 66°. 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 Mission Bay. See also: September | October | November.
