S
M
T
W
T
F
S
26
60°
39°
27
69°
37°
28
66°
39°
29
64°
41°
30
54°
45°
1
61°
39°
2
57°
43°
3
54°
38°
4
70°
39°
5
77°
49°
6
64°
51°
7
62°
41°
8
58°
39°
9
55°
50°
10
72°
45°
11
58°
43°
12
60°
37°
13
59°
42°
14
63°
43°
15
65°
48°
16
67°
47°
17
69°
48°
18
71°
49°
19
70°
49°
20
69°
46°
21
65°
41°
22
65°
43°
23
66°
43°
24
67°
46°
25
70°
50°
26
74°
51°
27
69°
49°
28
70°
45°
29
68°
44°
30
70°
49°
31
76°
53°
1
74°
53°
2
73°
50°
3
73°
51°
4
77°
54°
5
77°
55°
6
78°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Thomaston
Thomaston's May 2026 forecast shows daily high temperatures ranging from 55° to 78°, with overnight lows between 37° and 55°. The average high for May is 68° with an average low of 47°. 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. See also: June | July | August.
