S
M
T
W
T
F
S
26
85°
64°
27
81°
64°
28
79°
61°
29
84°
57°
30
81°
60°
31
89°
62°
1
73°
66°
2
73°
55°
3
80°
52°
4
85°
55°
5
76°
65°
6
77°
59°
7
79°
61°
8
82°
61°
9
81°
57°
10
72°
59°
11
72°
57°
12
72°
59°
13
71°
58°
14
70°
57°
15
74°
58°
16
74°
59°
17
73°
60°
18
73°
58°
19
77°
62°
20
74°
62°
21
71°
61°
22
77°
63°
23
76°
62°
24
73°
62°
25
73°
61°
26
74°
62°
27
75°
61°
28
70°
61°
29
72°
60°
30
75°
61°
31
76°
60°
1
71°
59°
2
68°
60°
3
69°
60°
4
71°
59°
5
74°
60°
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 68° to 82°, with overnight lows between 57° and 65°. The average high for August is 74° with an average low of 60°. 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.
