S
M
T
W
T
F
S
26
67°
23°
27
72°
28°
28
58°
44°
29
53°
33°
30
48°
24°
1
47°
21°
2
46°
26°
3
56°
27°
4
70°
43°
5
63°
39°
6
51°
28°
7
49°
28°
8
53°
30°
9
57°
39°
10
56°
37°
11
53°
32°
12
51°
33°
13
52°
38°
14
60°
39°
15
63°
42°
16
58°
37°
17
59°
38°
18
58°
43°
19
65°
42°
20
58°
38°
21
59°
39°
22
59°
38°
23
61°
39°
24
66°
44°
25
70°
46°
26
70°
44°
27
62°
45°
28
69°
42°
29
65°
44°
30
71°
48°
31
72°
48°
1
72°
46°
2
69°
46°
3
71°
48°
4
73°
49°
5
74°
50°
6
71°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Blue Mountain
Blue Mountain's May 2026 forecast shows daily high temperatures ranging from 49° to 74°, with overnight lows between 28° and 50°. The average high for May is 62° 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 Blue Mountain. See also: June | July | August.
