S
M
T
W
T
F
S
26
56°
41°
27
61°
30°
28
63°
25°
29
66°
30°
30
67°
32°
1
60°
31°
2
66°
27°
3
70°
28°
4
66°
42°
5
65°
44°
6
59°
31°
7
70°
21°
8
80°
35°
9
80°
34°
10
77°
29°
11
82°
34°
12
87°
36°
13
85°
40°
14
80°
41°
15
82°
41°
16
80°
44°
17
72°
39°
18
62°
36°
19
70°
35°
20
74°
40°
21
74°
38°
22
73°
40°
23
75°
43°
24
76°
40°
25
76°
42°
26
78°
40°
27
86°
41°
28
68°
34°
29
69°
36°
30
74°
40°
31
78°
42°
1
80°
42°
2
80°
43°
3
81°
44°
4
82°
45°
5
81°
44°
6
78°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Carbon Junction
Carbon Junction's May 2026 forecast shows daily high temperatures ranging from 62° to 86°, with overnight lows between 34° and 45°. The average high for May is 76° 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 Carbon Junction. See also: June | July | August.