S
M
T
W
T
F
S
26
88°
66°
27
88°
65°
28
87°
66°
29
86°
65°
30
80°
65°
31
82°
62°
1
81°
65°
2
80°
63°
3
81°
63°
4
82°
62°
5
82°
60°
6
81°
59°
7
81°
59°
8
82°
62°
9
80°
65°
10
81°
64°
11
82°
62°
12
82°
62°
13
83°
63°
14
82°
64°
15
82°
64°
16
80°
62°
17
81°
60°
18
80°
57°
19
80°
58°
20
84°
63°
21
81°
55°
22
78°
54°
23
78°
55°
24
80°
56°
25
79°
55°
26
86°
56°
27
86°
62°
28
88°
62°
29
88°
61°
30
87°
55°
31
79°
59°
1
79°
61°
2
80°
54°
3
83°
54°
4
84°
61°
5
86°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Harrisville
Harrisville's August 2026 forecast shows daily high temperatures ranging from 78° to 88°, with overnight lows between 54° and 66°. 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 Harrisville. See also: September | October | November.
