S
M
T
W
T
F
S
26
73°
58°
27
70°
57°
28
71°
57°
29
74°
58°
30
77°
59°
31
77°
59°
1
73°
58°
2
70°
57°
3
73°
58°
4
73°
58°
5
77°
57°
6
77°
59°
7
73°
52°
8
76°
54°
9
77°
51°
10
69°
48°
11
67°
47°
12
69°
48°
13
72°
49°
14
76°
53°
15
75°
56°
16
68°
57°
17
77°
55°
18
75°
55°
19
71°
52°
20
72°
52°
21
71°
48°
22
68°
50°
23
72°
53°
24
74°
54°
25
75°
45°
26
67°
43°
27
66°
45°
28
69°
45°
29
67°
48°
30
71°
47°
31
72°
49°
1
71°
50°
2
71°
45°
3
70°
48°
4
71°
51°
5
71°
52°
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 66° to 77°, with overnight lows between 43° and 59°. The average high for August is 72° with an average low of 52°. 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.
