S
M
T
W
T
F
S
26
91°
67°
27
93°
68°
28
93°
68°
29
92°
67°
30
93°
68°
31
94°
69°
1
93°
68°
2
94°
67°
3
92°
67°
4
91°
66°
5
93°
68°
6
93°
66°
7
82°
64°
8
83°
66°
9
89°
66°
10
92°
67°
11
92°
66°
12
91°
67°
13
90°
65°
14
90°
65°
15
89°
64°
16
89°
65°
17
91°
63°
18
91°
63°
19
90°
61°
20
89°
62°
21
90°
53°
22
81°
54°
23
81°
57°
24
85°
57°
25
83°
56°
26
80°
60°
27
81°
60°
28
82°
61°
29
88°
61°
30
89°
60°
31
89°
60°
1
88°
56°
2
83°
53°
3
77°
58°
4
78°
59°
5
86°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Mission
Mission's August 2026 forecast shows daily high temperatures ranging from 77° to 94°, with overnight lows between 50° and 69°. The average high for August is 88° with an average low of 63°. 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. See also: September | October | November.
