S
M
T
W
T
F
S
26
54°
45°
27
68°
39°
28
70°
30°
29
72°
30°
30
73°
32°
1
N/A
2
75°
44°
3
76°
44°
4
71°
39°
5
60°
37°
6
68°
36°
7
79°
41°
8
84°
45°
9
83°
44°
10
81°
44°
11
82°
45°
12
82°
46°
13
84°
46°
14
85°
47°
15
75°
39°
16
78°
46°
17
79°
45°
18
80°
47°
19
78°
43°
20
80°
47°
21
81°
48°
22
81°
49°
23
82°
48°
24
80°
47°
25
80°
48°
26
83°
50°
27
83°
50°
28
76°
49°
29
74°
49°
30
74°
45°
31
75°
46°
1
75°
49°
2
76°
48°
3
78°
49°
4
78°
50°
5
82°
51°
6
85°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Mount Carmel Junction
Mount Carmel Junction's May 2026 forecast shows daily high temperatures ranging from 60° to 85°, with overnight lows between 36° and 52°. The average high for May is 78° with an average low of 46°. 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 Mount Carmel Junction. See also: June | July | August.