S
M
T
W
T
F
S
31
82°
75°
1
88°
73°
2
86°
75°
3
79°
72°
4
82°
66°
5
81°
66°
6
84°
73°
7
84°
72°
8
82°
73°
9
84°
77°
10
86°
79°
11
88°
77°
12
95°
77°
13
95°
77°
14
91°
73°
15
93°
77°
16
90°
75°
17
88°
75°
18
93°
79°
19
82°
73°
20
88°
72°
21
88°
70°
22
95°
73°
23
93°
72°
24
90°
74°
25
88°
77°
26
91°
76°
27
94°
76°
28
96°
77°
29
92°
76°
30
90°
75°
1
89°
74°
2
90°
74°
3
90°
74°
4
93°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in St. Simons
St. Simons's June 2026 forecast shows daily high temperatures ranging from 88° to 96°, with overnight lows between 72° and 77°. The average high for June is 91° with an average low of 75°. 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. Simons. See also: July | August | September.
