S
M
T
W
T
F
S
26
75°
63°
27
79°
57°
28
84°
57°
29
88°
59°
30
91°
63°
1
81°
54°
2
84°
59°
3
82°
52°
4
72°
45°
5
65°
48°
6
75°
54°
7
85°
58°
8
87°
61°
9
80°
59°
10
80°
59°
11
82°
59°
12
83°
60°
13
84°
59°
14
80°
56°
15
72°
50°
16
73°
52°
17
74°
52°
18
75°
53°
19
75°
52°
20
74°
52°
21
76°
53°
22
79°
56°
23
83°
56°
24
77°
54°
25
77°
54°
26
78°
55°
27
81°
58°
28
82°
57°
29
82°
57°
30
79°
58°
31
80°
56°
1
80°
57°
2
81°
58°
3
81°
60°
4
84°
60°
5
84°
62°
6
82°
59°
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 65° to 87°, with overnight lows between 45° and 62°. The average high for May is 79° with an average low of 56°. 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.
