S
M
T
W
T
F
S
28
96°
77°
29
92°
76°
30
90°
75°
1
89°
74°
2
90°
74°
3
90°
74°
4
93°
75°
5
90°
74°
6
92°
75°
7
87°
77°
8
88°
76°
9
87°
76°
10
87°
75°
11
88°
76°
12
87°
76°
13
88°
77°
14
90°
77°
15
88°
76°
16
87°
77°
17
88°
76°
18
87°
76°
19
86°
75°
20
87°
75°
21
88°
76°
22
88°
76°
23
89°
75°
24
87°
75°
25
87°
74°
26
88°
76°
27
88°
76°
28
89°
77°
29
87°
77°
30
88°
76°
31
89°
76°
1
88°
77°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in St. Simons
St. Simons's July 2026 forecast shows daily high temperatures ranging from 86° to 96°, with overnight lows between 74° and 77°. The average high for July is 89° with an average low of 76°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in St. Simons. See also: August | September | October.
