S
M
T
W
T
F
S
26
91°
68°
27
83°
65°
28
81°
61°
29
81°
66°
30
82°
65°
31
80°
66°
1
81°
66°
2
85°
65°
3
83°
65°
4
80°
66°
5
81°
66°
6
87°
65°
7
80°
65°
8
80°
61°
9
78°
57°
10
78°
59°
11
79°
64°
12
81°
65°
13
79°
60°
14
78°
56°
15
78°
62°
16
79°
63°
17
78°
60°
18
78°
62°
19
79°
63°
20
82°
62°
21
77°
56°
22
78°
63°
23
83°
63°
24
88°
62°
25
88°
59°
26
87°
51°
27
76°
50°
28
75°
49°
29
76°
51°
30
77°
55°
31
78°
48°
1
82°
48°
2
74°
47°
3
72°
47°
4
73°
48°
5
73°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Newport
Newport's August 2026 forecast shows daily high temperatures ranging from 72° to 91°, with overnight lows between 47° and 68°. The average high for August is 80° with an average low of 59°. 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 Newport. See also: September | October | November.