S
M
T
W
T
F
S
26
59°
38°
27
71°
35°
28
56°
39°
29
57°
47°
30
60°
41°
1
64°
34°
2
57°
41°
3
61°
38°
4
72°
36°
5
82°
50°
6
66°
49°
7
64°
44°
8
63°
36°
9
58°
45°
10
66°
44°
11
63°
44°
12
68°
32°
13
67°
50°
14
57°
46°
15
67°
45°
16
80°
40°
17
89°
59°
18
93°
56°
19
93°
68°
20
84°
51°
21
65°
46°
22
63°
48°
23
53°
50°
24
63°
55°
25
73°
54°
26
78°
55°
27
77°
56°
28
78°
55°
29
75°
55°
30
77°
57°
31
80°
59°
1
82°
53°
2
73°
57°
3
70°
58°
4
72°
58°
5
75°
55°
6
75°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Barnesville
Barnesville's May 2026 forecast shows daily high temperatures ranging from 53° to 93°, with overnight lows between 46° and 68°. The average high for May is 74° 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 Barnesville. See also: June | July | August.