S
M
T
W
T
F
S
28
95°
79°
29
97°
77°
30
90°
77°
1
86°
73°
2
91°
73°
3
91°
75°
4
92°
78°
5
93°
79°
6
92°
78°
7
93°
76°
8
92°
77°
9
91°
76°
10
93°
75°
11
93°
76°
12
90°
74°
13
92°
76°
14
89°
76°
15
90°
83°
16
84°
76°
17
89°
78°
18
88°
77°
19
88°
77°
20
87°
78°
21
88°
79°
22
89°
79°
23
87°
78°
24
90°
79°
25
90°
79°
26
89°
78°
27
89°
79°
28
88°
78°
29
88°
79°
30
87°
80°
31
90°
80°
1
89°
79°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in James Island
James Island's July 2026 forecast shows daily high temperatures ranging from 84° to 93°, with overnight lows between 73° and 83°. The average high for July is 90° with an average low of 78°. 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 James Island. See also: August | September | October.
