S
M
T
W
T
F
S
26
82°
61°
27
70°
52°
28
73°
48°
29
82°
61°
30
79°
64°
1
68°
61°
2
61°
52°
3
72°
45°
4
79°
46°
5
84°
50°
6
90°
57°
7
77°
64°
8
73°
55°
9
77°
59°
10
86°
63°
11
86°
63°
12
73°
59°
13
77°
59°
14
82°
59°
15
81°
48°
16
88°
65°
17
89°
64°
18
92°
61°
19
89°
62°
20
92°
67°
21
93°
66°
22
89°
67°
23
84°
65°
24
87°
66°
25
88°
66°
26
87°
65°
27
87°
65°
28
84°
62°
29
87°
63°
30
89°
66°
31
87°
65°
1
89°
67°
2
90°
67°
3
89°
66°
4
84°
67°
5
85°
67°
6
88°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Barnwell
Barnwell's May 2026 forecast shows daily high temperatures ranging from 84° to 93°, with overnight lows between 61° and 68°. The average high for May is 88° 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 Barnwell. See also: June | July | August.
