S
M
T
W
T
F
S
26
78°
63°
27
79°
64°
28
80°
61°
29
80°
62°
30
81°
65°
31
80°
60°
1
79°
64°
2
81°
65°
3
82°
59°
4
83°
58°
5
78°
59°
6
79°
58°
7
81°
58°
8
78°
59°
9
80°
63°
10
83°
63°
11
80°
62°
12
83°
62°
13
82°
63°
14
82°
64°
15
80°
63°
16
83°
57°
17
83°
56°
18
76°
56°
19
76°
58°
20
75°
58°
21
77°
55°
22
76°
60°
23
77°
61°
24
80°
63°
25
83°
62°
26
83°
53°
27
81°
53°
28
73°
54°
29
73°
54°
30
74°
58°
31
75°
60°
1
80°
60°
2
80°
58°
3
79°
56°
4
79°
59°
5
78°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Narragansett
Narragansett's August 2026 forecast shows daily high temperatures ranging from 73° to 83°, with overnight lows between 53° and 65°. The average high for August is 79° 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 Narragansett. See also: September | October | November.