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°
48°
5
81°
64°
6
81°
63°
7
77°
57°
8
73°
63°
9
84°
66°
10
88°
68°
11
75°
63°
12
84°
56°
13
88°
63°
14
91°
66°
15
89°
68°
16
85°
72°
17
87°
74°
18
86°
74°
19
86°
71°
20
83°
70°
21
82°
68°
22
87°
69°
23
88°
71°
24
86°
68°
25
83°
73°
26
83°
68°
27
81°
67°
28
82°
68°
29
83°
69°
30
84°
69°
31
84°
68°
1
85°
70°
2
85°
70°
3
83°
69°
4
83°
70°
5
84°
70°
6
84°
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 81° to 91°, with overnight lows between 56° and 74°. The average high for May is 85° with an average low of 69°. 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.
