S
M
T
W
T
F
S
28
85°
64°
29
89°
68°
30
88°
67°
1
90°
67°
2
93°
69°
3
95°
70°
4
96°
72°
5
97°
74°
6
98°
76°
7
96°
73°
8
97°
70°
9
95°
69°
10
94°
73°
11
93°
74°
12
91°
71°
13
92°
73°
14
97°
74°
15
98°
75°
16
98°
75°
17
94°
72°
18
92°
72°
19
91°
71°
20
90°
69°
21
89°
68°
22
89°
69°
23
88°
68°
24
88°
68°
25
89°
69°
26
89°
68°
27
90°
68°
28
90°
69°
29
91°
69°
30
89°
68°
31
90°
69°
1
90°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Barnwell
Barnwell's July 2026 forecast shows daily high temperatures ranging from 85° to 98°, with overnight lows between 64° and 76°. The average high for July is 92° with an average low of 70°. 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 Barnwell. See also: August | September | October.