S
M
T
W
T
F
S
29
82°
66°
30
82°
63°
1
84°
59°
2
82°
61°
3
90°
66°
4
88°
72°
5
84°
72°
6
84°
68°
7
86°
64°
8
82°
64°
9
86°
63°
10
86°
66°
11
81°
66°
12
77°
63°
13
81°
55°
14
86°
61°
15
88°
68°
16
81°
66°
17
73°
59°
18
82°
63°
19
86°
73°
20
86°
72°
21
84°
72°
22
86°
72°
23
90°
72°
24
81°
68°
25
82°
68°
26
86°
72°
27
91°
68°
28
91°
68°
29
93°
70°
30
79°
66°
31
77°
63°
1
73°
57°
2
77°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Lewis
Lewis's July 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for July is ° with an average low of °. 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.