S
M
T
W
T
F
S
26
97°
70°
27
97°
71°
28
96°
70°
29
97°
71°
30
98°
72°
31
98°
72°
1
97°
71°
2
98°
71°
3
99°
70°
4
98°
71°
5
98°
71°
6
97°
70°
7
97°
71°
8
96°
71°
9
97°
70°
10
97°
70°
11
94°
69°
12
95°
70°
13
96°
68°
14
96°
68°
15
95°
67°
16
96°
68°
17
90°
64°
18
93°
65°
19
92°
68°
20
93°
65°
21
92°
64°
22
88°
62°
23
94°
64°
24
91°
63°
25
93°
61°
26
93°
61°
27
92°
63°
28
92°
63°
29
91°
62°
30
92°
63°
31
92°
63°
1
91°
60°
2
92°
62°
3
92°
65°
4
93°
66°
5
92°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Lamesa
Lamesa's August 2026 forecast shows daily high temperatures ranging from 88° to 99°, with overnight lows between 60° and 72°. The average high for August is 94° with an average low of 67°. 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 Lamesa. See also: September | October | November.