S
M
T
W
T
F
S
26
96°
66°
27
96°
66°
28
98°
62°
29
94°
63°
30
88°
60°
31
95°
60°
1
94°
59°
2
95°
57°
3
95°
58°
4
95°
64°
5
93°
61°
6
90°
63°
7
89°
62°
8
84°
63°
9
86°
61°
10
86°
61°
11
85°
62°
12
84°
55°
13
85°
58°
14
79°
56°
15
80°
57°
16
79°
56°
17
79°
56°
18
83°
55°
19
80°
55°
20
78°
54°
21
78°
53°
22
80°
57°
23
76°
57°
24
77°
53°
25
78°
55°
26
77°
56°
27
76°
53°
28
76°
52°
29
77°
53°
30
78°
55°
31
80°
56°
1
82°
56°
2
82°
55°
3
82°
56°
4
75°
55°
5
74°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Lewis
Lewis's August 2026 forecast shows daily high temperatures ranging from 74° to 95°, with overnight lows between 52° and 64°. The average high for August is 83° with an average low of 57°. 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 Lewis. See also: September | October | November.
