S
M
T
W
T
F
S
26
86°
66°
27
87°
67°
28
87°
67°
29
86°
68°
30
87°
67°
31
85°
66°
1
80°
65°
2
79°
63°
3
79°
61°
4
80°
65°
5
79°
65°
6
80°
63°
7
81°
63°
8
83°
65°
9
85°
65°
10
85°
64°
11
84°
65°
12
85°
64°
13
85°
65°
14
87°
63°
15
88°
65°
16
86°
64°
17
81°
63°
18
80°
65°
19
84°
61°
20
81°
56°
21
79°
55°
22
78°
56°
23
79°
57°
24
80°
56°
25
79°
55°
26
79°
62°
27
80°
58°
28
81°
56°
29
77°
56°
30
77°
55°
31
78°
54°
1
76°
55°
2
77°
58°
3
77°
56°
4
78°
54°
5
78°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Barnhill
Barnhill's August 2026 forecast shows daily high temperatures ranging from 76° to 88°, with overnight lows between 53° and 68°. The average high for August is 82° with an average low of 61°. 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 Barnhill. See also: September | October | November.