S
M
T
W
T
F
S
26
82°
63°
27
75°
59°
28
63°
55°
29
82°
61°
30
73°
57°
1
66°
55°
2
72°
48°
3
72°
45°
4
79°
43°
5
81°
46°
6
82°
61°
7
77°
61°
8
70°
54°
9
72°
59°
10
81°
61°
11
81°
61°
12
70°
61°
13
78°
56°
14
77°
50°
15
81°
54°
16
87°
63°
17
90°
65°
18
89°
65°
19
88°
66°
20
87°
65°
21
87°
65°
22
87°
66°
23
89°
64°
24
87°
66°
25
86°
61°
26
86°
64°
27
87°
63°
28
86°
64°
29
86°
65°
30
80°
65°
31
82°
64°
1
86°
65°
2
87°
66°
3
88°
66°
4
87°
65°
5
84°
66°
6
86°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in East Thomaston
East Thomaston's May 2026 forecast shows daily high temperatures ranging from 77° to 90°, with overnight lows between 50° and 66°. The average high for May is 86° with an average low of 63°. 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 East Thomaston. See also: June | July | August.