S
M
T
W
T
F
S
26
82°
63°
27
75°
59°
28
63°
55°
29
82°
63°
30
73°
57°
1
66°
55°
2
72°
48°
3
73°
45°
4
79°
43°
5
81°
46°
6
85°
66°
7
76°
52°
8
74°
59°
9
75°
61°
10
77°
59°
11
75°
46°
12
75°
51°
13
79°
54°
14
84°
61°
15
84°
61°
16
83°
60°
17
81°
61°
18
79°
59°
19
77°
58°
20
83°
61°
21
79°
62°
22
80°
62°
23
77°
61°
24
78°
61°
25
79°
62°
26
80°
63°
27
80°
63°
28
81°
62°
29
78°
63°
30
77°
61°
31
79°
64°
1
81°
64°
2
82°
65°
3
83°
64°
4
85°
65°
5
83°
66°
6
82°
65°
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 74° to 85°, with overnight lows between 46° and 66°. The average high for May is 80° with an average low of 61°. 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.