S
M
T
W
T
F
S
26
58°
32°
27
59°
32°
28
52°
34°
29
46°
42°
30
45°
42°
1
60°
38°
2
47°
34°
3
51°
41°
4
63°
31°
5
58°
48°
6
56°
49°
7
61°
46°
8
57°
34°
9
55°
32°
10
56°
47°
11
59°
44°
12
58°
36°
13
51°
33°
14
56°
48°
15
58°
49°
16
68°
47°
17
82°
54°
18
60°
45°
19
N/A
20
85°
47°
21
63°
41°
22
64°
43°
23
60°
45°
24
59°
47°
25
58°
51°
26
66°
51°
27
69°
50°
28
69°
51°
29
68°
52°
30
71°
51°
31
72°
52°
1
69°
51°
2
62°
50°
3
61°
50°
4
61°
53°
5
62°
53°
6
68°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Thomaston
Thomaston's May 2026 forecast shows daily high temperatures ranging from 58° to 85°, with overnight lows between 41° and 54°. The average high for May is 66° with an average low of 50°. 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.
