S
M
T
W
T
F
S
26
60°
37°
27
60°
37°
28
64°
40°
29
64°
41°
30
66°
45°
1
58°
45°
2
58°
44°
3
59°
45°
4
62°
40°
5
66°
45°
6
62°
45°
7
60°
44°
8
59°
42°
9
64°
43°
10
59°
41°
11
57°
41°
12
59°
40°
13
61°
42°
14
61°
45°
15
60°
43°
16
60°
41°
17
61°
41°
18
61°
42°
19
63°
41°
20
69°
46°
21
71°
50°
22
70°
47°
23
62°
43°
24
61°
43°
25
61°
43°
26
64°
51°
27
71°
46°
28
72°
51°
29
73°
53°
30
74°
52°
31
72°
43°
1
71°
43°
2
72°
46°
3
73°
52°
4
74°
47°
5
72°
47°
6
74°
51°
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 57° to 74°, with overnight lows between 37° and 53°. The average high for May is 65° with an average low of 44°. 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.
