S
M
T
W
T
F
S
31
75°
43°
1
75°
52°
2
75°
48°
3
79°
46°
4
84°
63°
5
85°
66°
6
82°
65°
7
85°
63°
8
85°
67°
9
84°
65°
10
82°
65°
11
86°
64°
12
85°
63°
13
84°
65°
14
85°
64°
15
83°
63°
16
82°
61°
17
80°
62°
18
81°
64°
19
82°
63°
20
81°
65°
21
85°
58°
22
76°
58°
23
77°
61°
24
83°
67°
25
85°
66°
26
85°
63°
27
78°
60°
28
78°
63°
29
80°
65°
30
80°
64°
1
79°
64°
2
80°
63°
3
83°
66°
4
85°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in St. Marys
St. Marys's June 2026 forecast shows daily high temperatures ranging from 76° to 86°, with overnight lows between 58° and 67°. The average high for June is 82° with an average low of 64°. 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 St. Marys. See also: July | August | September.
