S
M
T
W
T
F
S
26
81°
71°
27
79°
69°
28
78°
69°
29
78°
68°
30
78°
68°
31
79°
67°
1
81°
69°
2
80°
70°
3
78°
70°
4
77°
69°
5
79°
68°
6
81°
71°
7
81°
71°
8
81°
69°
9
82°
71°
10
82°
71°
11
81°
71°
12
80°
71°
13
77°
70°
14
78°
71°
15
78°
70°
16
77°
69°
17
79°
69°
18
78°
68°
19
78°
68°
20
76°
67°
21
76°
67°
22
77°
66°
23
74°
67°
24
74°
68°
25
75°
66°
26
76°
65°
27
76°
66°
28
75°
66°
29
74°
65°
30
73°
69°
31
70°
68°
1
70°
67°
2
71°
68°
3
71°
69°
4
73°
69°
5
75°
68°
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 70° to 79°, with overnight lows between 65° and 69°. The average high for August is 75° with an average low of 67°. 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.
