S
M
T
W
T
F
S
26
88°
72°
27
88°
75°
28
90°
73°
29
84°
68°
30
70°
63°
1
63°
54°
2
73°
50°
3
79°
46°
4
79°
64°
5
83°
72°
6
85°
65°
7
73°
59°
8
77°
64°
9
80°
65°
10
90°
66°
11
79°
58°
12
81°
59°
13
87°
68°
14
85°
64°
15
84°
66°
16
86°
69°
17
85°
65°
18
79°
66°
19
80°
66°
20
80°
65°
21
82°
64°
22
81°
60°
23
79°
61°
24
80°
64°
25
81°
63°
26
80°
61°
27
80°
62°
28
81°
63°
29
82°
68°
30
82°
68°
31
81°
69°
1
82°
69°
2
83°
68°
3
84°
69°
4
85°
70°
5
82°
70°
6
81°
69°
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 73° to 90°, with overnight lows between 58° and 72°. The average high for May is 82° 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.
