S
M
T
W
T
F
S
26
55°
34°
27
58°
36°
28
61°
38°
29
59°
38°
30
60°
39°
1
59°
38°
2
62°
39°
3
63°
40°
4
64°
40°
5
63°
41°
6
64°
40°
7
62°
35°
8
54°
33°
9
55°
40°
10
58°
41°
11
65°
41°
12
66°
42°
13
67°
43°
14
69°
44°
15
68°
44°
16
67°
42°
17
67°
43°
18
67°
43°
19
69°
44°
20
69°
45°
21
70°
39°
22
64°
37°
23
62°
41°
24
71°
41°
25
71°
45°
26
70°
45°
27
72°
41°
28
73°
39°
29
63°
38°
30
66°
41°
31
71°
43°
1
74°
47°
2
75°
49°
3
75°
49°
4
76°
48°
5
76°
43°
6
70°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Alcova
Alcova's May 2026 forecast shows daily high temperatures ranging from 54° to 76°, with overnight lows between 33° and 49°. The average high for May is 66° with an average low of 41°. 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 Alcova. See also: June | July | August.