S
M
T
W
T
F
S
26
60°
41°
27
59°
40°
28
58°
38°
29
57°
41°
30
58°
40°
1
59°
42°
2
60°
42°
3
60°
37°
4
59°
36°
5
58°
36°
6
61°
37°
7
64°
41°
8
63°
44°
9
64°
42°
10
64°
40°
11
62°
38°
12
61°
39°
13
60°
39°
14
61°
40°
15
63°
40°
16
64°
41°
17
64°
42°
18
65°
43°
19
65°
41°
20
66°
42°
21
66°
44°
22
67°
45°
23
69°
51°
24
68°
52°
25
75°
51°
26
72°
49°
27
68°
52°
28
77°
54°
29
77°
46°
30
74°
46°
31
69°
48°
1
68°
47°
2
72°
46°
3
74°
53°
4
79°
54°
5
79°
55°
6
73°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Thomaston Town
Thomaston Town's May 2026 forecast shows daily high temperatures ranging from 57° to 79°, with overnight lows between 36° and 55°. The average high for May is 66° with an average low of 44°. 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 Thomaston Town. See also: June | July | August.