S
M
T
W
T
F
S
26
37°
32°
27
45°
32°
28
50°
36°
29
60°
41°
30
65°
47°
1
67°
49°
2
63°
51°
3
58°
43°
4
43°
37°
5
46°
37°
6
65°
41°
7
67°
53°
8
69°
52°
9
73°
56°
10
73°
56°
11
77°
58°
12
74°
56°
13
64°
51°
14
68°
52°
15
66°
51°
16
60°
48°
17
51°
44°
18
60°
33°
19
71°
43°
20
74°
44°
21
81°
47°
22
80°
44°
23
79°
44°
24
76°
45°
25
77°
44°
26
78°
43°
27
78°
44°
28
69°
39°
29
70°
41°
30
73°
42°
31
72°
38°
1
74°
43°
2
76°
44°
3
76°
44°
4
77°
43°
5
78°
44°
6
77°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Iron Horse
Iron Horse's May 2026 forecast shows daily high temperatures ranging from 60° to 81°, with overnight lows between 33° and 47°. The average high for May is 75° with an average low of 43°. 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 Iron Horse. See also: June | July | August.