S
M
T
W
T
F
S
31
85°
65°
1
88°
65°
2
83°
64°
3
87°
63°
4
88°
64°
5
85°
64°
6
88°
65°
7
89°
64°
8
89°
61°
9
84°
62°
10
85°
63°
11
90°
64°
12
90°
68°
13
91°
68°
14
91°
64°
15
90°
64°
16
90°
65°
17
91°
67°
18
91°
64°
19
86°
67°
20
91°
66°
21
91°
67°
22
88°
68°
23
87°
68°
24
88°
69°
25
87°
68°
26
88°
69°
27
88°
71°
28
92°
71°
29
92°
70°
30
93°
69°
1
88°
69°
2
90°
70°
3
88°
69°
4
88°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Thomaston
Thomaston's June 2026 forecast shows daily high temperatures ranging from 83° to 93°, with overnight lows between 61° and 71°. The average high for June is 89° with an average low of 66°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Thomaston. See also: July | August | September.