S
M
T
W
T
F
S
28
91°
75°
29
93°
75°
30
95°
73°
1
97°
73°
2
95°
72°
3
95°
73°
4
93°
71°
5
89°
72°
6
86°
72°
7
87°
71°
8
88°
70°
9
89°
71°
10
90°
70°
11
89°
71°
12
88°
71°
13
91°
69°
14
90°
71°
15
91°
72°
16
90°
68°
17
88°
66°
18
87°
66°
19
92°
71°
20
93°
72°
21
93°
73°
22
94°
73°
23
94°
72°
24
93°
73°
25
95°
73°
26
95°
72°
27
94°
74°
28
95°
73°
29
94°
72°
30
95°
73°
31
94°
72°
1
90°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Lamar
Lamar's July 2026 forecast shows daily high temperatures ranging from 86° to 95°, with overnight lows between 66° and 74°. The average high for July is 91° with an average low of 71°. 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 Lamar. See also: August | September | October.