S
M
T
W
T
F
S
26
67°
57°
27
68°
56°
28
68°
54°
29
69°
53°
30
69°
59°
1
69°
59°
2
69°
61°
3
70°
62°
4
68°
57°
5
67°
56°
6
69°
57°
7
69°
58°
8
70°
62°
9
70°
61°
10
70°
60°
11
70°
59°
12
69°
62°
13
71°
62°
14
70°
63°
15
70°
63°
16
70°
63°
17
68°
62°
18
69°
61°
19
74°
56°
20
78°
60°
21
72°
63°
22
70°
63°
23
71°
61°
24
70°
61°
25
68°
61°
26
68°
58°
27
68°
57°
28
68°
59°
29
70°
58°
30
71°
58°
31
74°
59°
1
75°
59°
2
72°
61°
3
74°
60°
4
74°
62°
5
73°
60°
6
72°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mission Valley West
Mission Valley West's May 2026 forecast shows daily high temperatures ranging from 68° to 75°, with overnight lows between 57° and 62°. The average high for May is 71° with an average low of 60°. 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 Valley West. See also: June | July | August.
