S
M
T
W
T
F
S
26
61°
35°
27
61°
27°
28
63°
24°
29
66°
29°
30
60°
29°
1
54°
24°
2
63°
30°
3
64°
38°
4
66°
40°
5
61°
33°
6
56°
30°
7
69°
36°
8
68°
40°
9
73°
39°
10
68°
35°
11
68°
35°
12
73°
36°
13
72°
40°
14
74°
41°
15
67°
38°
16
66°
36°
17
67°
38°
18
68°
37°
19
70°
38°
20
70°
39°
21
65°
34°
22
69°
37°
23
72°
40°
24
66°
33°
25
64°
32°
26
64°
31°
27
66°
31°
28
68°
35°
29
73°
38°
30
77°
42°
31
77°
42°
1
70°
41°
2
73°
41°
3
77°
42°
4
79°
41°
5
79°
43°
6
78°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Alamosa
Alamosa's May 2026 forecast shows daily high temperatures ranging from 54° to 79°, with overnight lows between 24° and 43°. The average high for May is 69° with an average low of 37°. 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 Alamosa. See also: June | July | August.
