S
M
T
W
T
F
S
26
50°
40°
27
64°
38°
28
64°
37°
29
59°
50°
30
66°
48°
1
64°
49°
2
59°
47°
3
59°
48°
4
69°
57°
5
76°
59°
6
67°
57°
7
63°
49°
8
62°
50°
9
62°
52°
10
68°
54°
11
67°
52°
12
64°
53°
13
65°
54°
14
65°
54°
15
70°
53°
16
70°
55°
17
69°
64°
18
74°
58°
19
73°
59°
20
74°
59°
21
74°
58°
22
72°
53°
23
68°
52°
24
67°
54°
25
68°
56°
26
69°
56°
27
69°
53°
28
70°
58°
29
70°
54°
30
69°
56°
31
70°
62°
1
74°
62°
2
72°
60°
3
72°
62°
4
75°
63°
5
75°
63°
6
76°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Erma
Erma's May 2026 forecast shows daily high temperatures ranging from 62° to 76°, with overnight lows between 49° and 64°. The average high for May is 70° with an average low of 57°. 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 Erma. See also: June | July | August.
