S
M
T
W
T
F
S
28
83°
55°
29
85°
57°
30
79°
55°
1
89°
69°
2
97°
69°
3
93°
72°
4
86°
59°
5
82°
54°
6
83°
58°
7
82°
60°
8
87°
63°
9
88°
67°
10
80°
58°
11
78°
54°
12
82°
57°
13
84°
61°
14
86°
61°
15
82°
60°
16
81°
57°
17
78°
56°
18
79°
57°
19
77°
56°
20
76°
58°
21
80°
57°
22
75°
54°
23
76°
53°
24
84°
60°
25
84°
59°
26
83°
61°
27
85°
61°
28
83°
60°
29
84°
61°
30
81°
60°
31
77°
60°
1
77°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Lewis
Lewis's July 2026 forecast shows daily high temperatures ranging from 75° to 88°, with overnight lows between 53° and 67°. The average high for July is 81° 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 July weather will actually feel in Lewis. See also: August | September | October.