S
M
T
W
T
F
S
26
78°
60°
27
81°
60°
28
81°
59°
29
76°
59°
30
78°
60°
31
81°
61°
1
81°
60°
2
80°
60°
3
83°
60°
4
82°
59°
5
82°
53°
6
75°
55°
7
78°
56°
8
75°
54°
9
76°
54°
10
74°
52°
11
74°
57°
12
81°
58°
13
80°
55°
14
76°
52°
15
74°
50°
16
74°
55°
17
77°
57°
18
74°
51°
19
74°
50°
20
75°
49°
21
74°
51°
22
78°
57°
23
80°
56°
24
80°
57°
25
78°
56°
26
79°
57°
27
80°
56°
28
79°
54°
29
78°
56°
30
79°
49°
31
72°
47°
1
70°
46°
2
70°
47°
3
71°
45°
4
69°
47°
5
69°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Rhode Island
Rhode Island's August 2026 forecast shows daily high temperatures ranging from 69° to 83°, with overnight lows between 45° and 61°. The average high for August is 77° with an average low of 54°. 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 Rhode Island. See also: September | October | November.
