S
M
T
W
T
F
S
26
75°
45°
27
64°
57°
28
61°
51°
29
60°
42°
30
61°
37°
1
56°
40°
2
56°
38°
3
66°
42°
4
77°
49°
5
57°
48°
6
58°
38°
7
62°
37°
8
63°
47°
9
76°
50°
10
68°
48°
11
68°
45°
12
82°
43°
13
69°
45°
14
70°
50°
15
73°
60°
16
78°
63°
17
85°
65°
18
81°
64°
19
77°
56°
20
70°
53°
21
69°
51°
22
70°
52°
23
72°
56°
24
76°
58°
25
76°
59°
26
78°
61°
27
90°
67°
28
82°
60°
29
82°
60°
30
75°
57°
31
74°
54°
1
75°
53°
2
75°
52°
3
76°
54°
4
77°
62°
5
84°
63°
6
85°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Thomasboro
Thomasboro's May 2026 forecast shows daily high temperatures ranging from 69° to 90°, with overnight lows between 50° and 67°. The average high for May is 77° with an average low of 58°. 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 Thomasboro. See also: June | July | August.