S
M
T
W
T
F
S
26
85°
65°
27
81°
61°
28
80°
60°
29
81°
65°
30
82°
60°
31
82°
64°
1
84°
66°
2
84°
59°
3
81°
60°
4
79°
58°
5
80°
60°
6
81°
61°
7
81°
59°
8
82°
59°
9
83°
63°
10
84°
64°
11
84°
65°
12
85°
65°
13
86°
64°
14
86°
65°
15
87°
59°
16
86°
58°
17
80°
58°
18
80°
63°
19
82°
57°
20
80°
56°
21
79°
57°
22
80°
58°
23
85°
62°
24
86°
63°
25
85°
62°
26
86°
56°
27
80°
55°
28
79°
55°
29
79°
62°
30
82°
62°
31
83°
61°
1
85°
61°
2
84°
57°
3
81°
61°
4
82°
61°
5
83°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in New Harrison
New Harrison's August 2026 forecast shows daily high temperatures ranging from 79° to 87°, with overnight lows between 55° and 66°. The average high for August is 83° 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 New Harrison. See also: September | October | November.