S
M
T
W
T
F
S
26
64°
48°
27
66°
45°
28
72°
41°
29
77°
46°
30
80°
51°
1
81°
59°
2
83°
55°
3
86°
50°
4
72°
55°
5
72°
48°
6
85°
51°
7
90°
53°
8
94°
55°
9
95°
61°
10
97°
69°
11
100°
60°
12
103°
63°
13
90°
69°
14
92°
59°
15
94°
60°
16
89°
63°
17
85°
52°
18
72°
49°
19
77°
52°
20
84°
50°
21
89°
52°
22
92°
63°
23
92°
59°
24
76°
58°
25
80°
58°
26
81°
52°
27
69°
49°
28
63°
52°
29
73°
53°
30
80°
56°
31
86°
59°
1
87°
61°
2
88°
62°
3
87°
60°
4
88°
62°
5
86°
61°
6
83°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mountain Pass
Mountain Pass's May 2026 forecast shows daily high temperatures ranging from 63° to 88°, with overnight lows between 49° and 62°. The average high for May is 81° with an average low of 57°. 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 Mountain Pass. See also: June | July | August.
