S
M
T
W
T
F
S
26
29°
12°
27
35°
21°
28
51°
19°
29
48°
26°
30
56°
28°
1
67°
30°
2
63°
43°
3
74°
36°
4
44°
30°
5
45°
28°
6
54°
20°
7
64°
29°
8
67°
36°
9
60°
32°
10
70°
35°
11
73°
44°
12
71°
45°
13
82°
44°
14
64°
43°
15
61°
38°
16
64°
41°
17
44°
33°
18
45°
28°
19
58°
38°
20
61°
39°
21
63°
42°
22
64°
43°
23
68°
44°
24
78°
47°
25
73°
46°
26
73°
47°
27
75°
49°
28
75°
51°
29
71°
42°
30
74°
48°
31
66°
47°
1
68°
48°
2
70°
48°
3
74°
49°
4
75°
49°
5
72°
48°
6
65°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Fir Mountain
Fir Mountain's May 2026 forecast shows daily high temperatures ranging from 44° to 78°, with overnight lows between 28° and 51°. The average high for May is 67° with an average low of 44°. 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 Fir Mountain. See also: June | July | August.
