S
M
T
W
T
F
S
26
63°
32°
27
67°
38°
28
64°
44°
29
68°
41°
30
75°
40°
1
80°
44°
2
82°
53°
3
83°
49°
4
84°
49°
5
80°
52°
6
82°
48°
7
77°
48°
8
76°
47°
9
76°
44°
10
76°
45°
11
76°
43°
12
81°
45°
13
66°
45°
14
66°
43°
15
60°
42°
16
61°
44°
17
64°
39°
18
70°
39°
19
73°
43°
20
73°
45°
21
75°
45°
22
81°
44°
23
84°
46°
24
84°
49°
25
80°
47°
26
64°
48°
27
72°
50°
28
82°
61°
29
76°
47°
30
74°
42°
31
71°
45°
1
80°
51°
2
88°
55°
3
84°
52°
4
83°
51°
5
84°
52°
6
77°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mission
Mission's May 2026 forecast shows daily high temperatures ranging from 64° to 88°, with overnight lows between 42° and 61°. The average high for May is 79° with an average low of 50°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Mission. See also: June | July | August.
