S
M
T
W
T
F
S
26
77°
60°
27
76°
59°
28
78°
58°
29
77°
55°
30
77°
61°
31
84°
61°
1
77°
59°
2
77°
55°
3
78°
61°
4
81°
62°
5
79°
61°
6
77°
61°
7
78°
59°
8
77°
56°
9
76°
58°
10
78°
61°
11
76°
58°
12
76°
54°
13
77°
60°
14
82°
61°
15
78°
59°
16
76°
55°
17
76°
54°
18
77°
60°
19
76°
60°
20
76°
56°
21
75°
60°
22
75°
60°
23
74°
59°
24
75°
60°
25
75°
60°
26
77°
59°
27
79°
60°
28
80°
57°
29
81°
55°
30
80°
56°
31
81°
57°
1
81°
57°
2
80°
56°
3
81°
57°
4
79°
56°
5
77°
55°
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 74° to 84°, with overnight lows between 54° and 62°. The average high for August is 78° 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 Harrisville. See also: September | October | November.
