S
M
T
W
T
F
S
28
90°
74°
29
89°
75°
30
90°
74°
1
89°
75°
2
88°
74°
3
88°
76°
4
89°
75°
5
88°
76°
6
89°
76°
7
89°
76°
8
90°
76°
9
90°
76°
10
87°
76°
11
88°
75°
12
87°
76°
13
87°
76°
14
88°
75°
15
87°
76°
16
87°
76°
17
86°
75°
18
87°
76°
19
88°
76°
20
86°
75°
21
87°
75°
22
87°
74°
23
88°
75°
24
87°
74°
25
88°
74°
26
87°
75°
27
90°
72°
28
89°
71°
29
90°
72°
30
93°
73°
31
90°
76°
1
89°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Lake Arthur
Lake Arthur's July 2026 forecast shows daily high temperatures ranging from 86° to 93°, with overnight lows between 71° and 76°. The average high for July is 88° with an average low of 75°. 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 Lake Arthur. See also: August | September | October.
