S
M
T
W
T
F
S
26
86°
73°
27
91°
71°
28
93°
72°
29
91°
69°
30
87°
64°
31
89°
64°
1
89°
72°
2
81°
72°
3
82°
70°
4
85°
70°
5
87°
69°
6
86°
70°
7
89°
71°
8
90°
70°
9
91°
69°
10
90°
70°
11
88°
69°
12
91°
70°
13
89°
69°
14
88°
76°
15
89°
69°
16
85°
68°
17
91°
72°
18
92°
72°
19
92°
71°
20
93°
72°
21
91°
71°
22
90°
71°
23
91°
70°
24
91°
72°
25
92°
71°
26
91°
71°
27
90°
70°
28
89°
71°
29
88°
69°
30
89°
70°
31
90°
70°
1
89°
69°
2
90°
70°
3
87°
67°
4
83°
66°
5
83°
64°
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 81° to 93°, with overnight lows between 64° and 76°. The average high for August is 89° with an average low of 70°. 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.