S
M
T
W
T
F
S
26
77°
59°
27
80°
59°
28
82°
66°
29
86°
59°
30
85°
58°
31
80°
57°
1
77°
58°
2
78°
56°
3
77°
55°
4
77°
57°
5
78°
60°
6
78°
61°
7
79°
65°
8
83°
59°
9
84°
57°
10
82°
58°
11
84°
67°
12
85°
59°
13
86°
56°
14
80°
64°
15
80°
65°
16
84°
59°
17
81°
56°
18
77°
56°
19
76°
55°
20
77°
56°
21
79°
54°
22
75°
54°
23
76°
57°
24
78°
55°
25
75°
63°
26
80°
63°
27
83°
62°
28
83°
53°
29
81°
59°
30
80°
56°
31
76°
54°
1
73°
56°
2
73°
51°
3
74°
51°
4
73°
58°
5
73°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Hartley
Hartley's August 2026 forecast shows daily high temperatures ranging from 73° to 86°, with overnight lows between 51° and 67°. The average high for August is 79° with an average low of 58°. 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 Hartley. See also: September | October | November.