S
M
T
W
T
F
S
26
97°
77°
27
93°
81°
28
97°
79°
29
97°
79°
30
90°
77°
31
91°
77°
1
90°
77°
2
93°
79°
3
88°
77°
4
90°
77°
5
90°
77°
6
90°
79°
7
90°
79°
8
86°
77°
9
90°
77°
10
91°
79°
11
97°
77°
12
95°
77°
13
93°
75°
14
91°
77°
15
91°
77°
16
96°
77°
17
97°
78°
18
101°
78°
19
96°
77°
20
94°
76°
21
93°
75°
22
93°
77°
23
92°
76°
24
93°
74°
25
87°
75°
26
89°
74°
27
88°
75°
28
89°
74°
29
90°
75°
30
86°
74°
31
85°
76°
1
83°
75°
2
84°
76°
3
85°
76°
4
86°
74°
5
84°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Jekyll Island
Jekyll Island's August 2026 forecast shows daily high temperatures ranging from 83° to 101°, with overnight lows between 72° and 78°. The average high for August is 90° 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 August weather will actually feel in Jekyll Island. See also: September | October | November.
