S
M
T
W
T
F
S
26
51°
36°
27
48°
38°
28
53°
35°
29
52°
36°
30
51°
38°
1
51°
37°
2
52°
35°
3
50°
36°
4
50°
34°
5
53°
33°
6
60°
38°
7
62°
43°
8
62°
40°
9
60°
43°
10
61°
37°
11
54°
35°
12
53°
35°
13
54°
37°
14
55°
39°
15
56°
38°
16
57°
42°
17
59°
42°
18
57°
40°
19
57°
38°
20
59°
42°
21
61°
47°
22
67°
49°
23
68°
50°
24
68°
50°
25
69°
48°
26
61°
47°
27
65°
51°
28
71°
49°
29
70°
48°
30
70°
45°
31
62°
43°
1
63°
44°
2
74°
50°
3
76°
52°
4
75°
54°
5
76°
54°
6
76°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Catamount
Catamount's May 2026 forecast shows daily high temperatures ranging from 48° to 76°, with overnight lows between 33° and 54°. The average high for May is 61° with an average low of 42°. 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 Catamount. See also: June | July | August.