S
M
T
W
T
F
S
26
82°
63°
27
83°
62°
28
76°
67°
29
71°
63°
30
80°
63°
31
83°
62°
1
86°
68°
2
75°
65°
3
78°
57°
4
82°
59°
5
83°
67°
6
80°
60°
7
81°
61°
8
78°
60°
9
77°
61°
10
77°
57°
11
74°
57°
12
72°
56°
13
74°
55°
14
75°
56°
15
71°
53°
16
71°
52°
17
78°
55°
18
72°
52°
19
71°
55°
20
73°
52°
21
70°
50°
22
72°
57°
23
77°
58°
24
75°
57°
25
72°
57°
26
76°
56°
27
76°
57°
28
70°
56°
29
75°
57°
30
74°
56°
31
76°
53°
1
71°
51°
2
67°
50°
3
67°
47°
4
68°
48°
5
70°
52°
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 67° to 86°, with overnight lows between 47° and 68°. The average high for August is 75° with an average low of 56°. 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.
