S
M
T
W
T
F
S
26
83°
53°
27
85°
61°
28
83°
62°
29
72°
55°
30
67°
46°
1
66°
44°
2
65°
42°
3
70°
39°
4
83°
55°
5
74°
54°
6
60°
49°
7
67°
47°
8
76°
44°
9
82°
55°
10
81°
54°
11
77°
53°
12
80°
48°
13
82°
55°
14
73°
49°
15
82°
49°
16
84°
69°
17
90°
67°
18
90°
73°
19
87°
66°
20
74°
65°
21
76°
65°
22
77°
67°
23
79°
66°
24
79°
63°
25
81°
67°
26
80°
66°
27
82°
66°
28
82°
65°
29
81°
63°
30
80°
62°
31
82°
60°
1
85°
65°
2
86°
64°
3
82°
64°
4
78°
60°
5
79°
61°
6
85°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Erin
Erin's May 2026 forecast shows daily high temperatures ranging from 74° to 90°, with overnight lows between 60° and 73°. The average high for May is 81° with an average low of 65°. 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 Erin. See also: June | July | August.
