S
M
T
W
T
F
S
26
64°
34°
27
74°
40°
28
65°
41°
29
46°
39°
30
46°
37°
1
45°
30°
2
51°
25°
3
62°
33°
4
77°
36°
5
54°
39°
6
48°
32°
7
51°
32°
8
64°
30°
9
58°
35°
10
53°
30°
11
49°
27°
12
65°
32°
13
50°
40°
14
63°
32°
15
75°
42°
16
81°
50°
17
56°
43°
18
80°
51°
19
77°
45°
20
50°
41°
21
60°
37°
22
71°
40°
23
76°
53°
24
61°
47°
25
82°
48°
26
82°
49°
27
66°
45°
28
64°
43°
29
69°
46°
30
66°
44°
31
72°
46°
1
73°
48°
2
76°
51°
3
75°
52°
4
75°
52°
5
76°
53°
6
77°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Old Mission
Old Mission's May 2026 forecast shows daily high temperatures ranging from 64° to 82°, with overnight lows between 43° and 58°. The average high for May is 73° with an average low of 49°. 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 Old Mission. See also: June | July | August.
