S
M
T
W
T
F
S
26
59°
44°
27
72°
38°
28
63°
43°
29
62°
49°
30
68°
48°
1
66°
42°
2
60°
43°
3
62°
44°
4
69°
55°
5
81°
62°
6
74°
59°
7
67°
46°
8
63°
47°
9
60°
47°
10
68°
53°
11
67°
51°
12
67°
51°
13
68°
54°
14
70°
54°
15
71°
55°
16
76°
58°
17
77°
59°
18
78°
58°
19
77°
58°
20
77°
59°
21
76°
58°
22
75°
51°
23
71°
51°
24
69°
52°
25
70°
52°
26
71°
54°
27
71°
52°
28
72°
54°
29
71°
53°
30
71°
54°
31
73°
62°
1
78°
61°
2
74°
57°
3
74°
61°
4
79°
63°
5
77°
60°
6
78°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Harmersville
Harmersville's May 2026 forecast shows daily high temperatures ranging from 60° to 81°, with overnight lows between 43° and 63°. The average high for May is 72° with an average low of 55°. 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 Harmersville. See also: June | July | August.