S
M
T
W
T
F
S
31
74°
44°
1
75°
44°
2
78°
49°
3
81°
47°
4
83°
49°
5
N/A
6
75°
54°
7
79°
55°
8
80°
58°
9
81°
65°
10
78°
61°
11
86°
63°
12
87°
62°
13
84°
57°
14
80°
57°
15
77°
57°
16
73°
53°
17
69°
52°
18
72°
51°
19
75°
55°
20
73°
53°
21
75°
47°
22
68°
47°
23
69°
54°
24
74°
58°
25
78°
56°
26
75°
52°
27
70°
50°
28
71°
54°
29
72°
56°
30
73°
54°
1
73°
56°
2
75°
54°
3
78°
56°
4
79°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
June Weather in St. Marys
St. Marys's June 2026 forecast shows daily high temperatures ranging from 68° to 87°, with overnight lows between 47° and 65°. The average high for June is 76° with an average low of 55°. 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.
