S
M
T
W
T
F
S
31
69°
33°
1
72°
43°
2
72°
45°
3
78°
50°
4
81°
55°
5
83°
59°
6
81°
57°
7
80°
58°
8
76°
57°
9
77°
55°
10
75°
56°
11
77°
57°
12
79°
55°
13
78°
54°
14
75°
51°
15
70°
47°
16
68°
46°
17
69°
47°
18
70°
48°
19
71°
48°
20
73°
52°
21
74°
56°
22
71°
56°
23
72°
55°
24
73°
52°
25
72°
49°
26
72°
57°
27
77°
57°
28
73°
53°
29
72°
51°
30
73°
50°
1
72°
50°
2
73°
51°
3
76°
58°
4
77°
54°
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 68° to 83°, with overnight lows between 43° and 59°. The average high for June is 74° with an average low of 53°. 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.
