S
M
T
W
T
F
S
26
82°
55°
27
86°
58°
28
61°
51°
29
63°
44°
30
67°
36°
1
65°
38°
2
63°
39°
3
64°
38°
4
81°
59°
5
66°
44°
6
62°
40°
7
68°
36°
8
73°
48°
9
82°
54°
10
68°
45°
11
77°
40°
12
81°
47°
13
77°
48°
14
77°
42°
15
83°
63°
16
85°
69°
17
85°
67°
18
77°
63°
19
73°
56°
20
63°
52°
21
74°
58°
22
68°
59°
23
79°
61°
24
79°
57°
25
81°
53°
26
77°
54°
27
82°
63°
28
81°
65°
29
76°
60°
30
78°
63°
31
80°
61°
1
82°
57°
2
82°
60°
3
82°
61°
4
81°
63°
5
84°
65°
6
84°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Barnett
Barnett's May 2026 forecast shows daily high temperatures ranging from 76° to 84°, with overnight lows between 57° and 65°. The average high for May is 81° with an average low of 62°. 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 Barnett. See also: June | July | August.