S
M
T
W
T
F
S
26
91°
76°
27
91°
75°
28
91°
77°
29
91°
77°
30
91°
79°
31
91°
77°
1
88°
73°
2
85°
75°
3
89°
73°
4
87°
74°
5
86°
74°
6
87°
73°
7
89°
76°
8
87°
74°
9
86°
73°
10
86°
73°
11
85°
72°
12
85°
72°
13
86°
72°
14
83°
72°
15
83°
71°
16
84°
69°
17
83°
71°
18
83°
72°
19
84°
72°
20
82°
71°
21
83°
72°
22
83°
71°
23
84°
72°
24
84°
72°
25
85°
71°
26
83°
72°
27
83°
72°
28
84°
71°
29
83°
71°
30
82°
72°
31
82°
71°
1
83°
70°
2
82°
71°
3
82°
72°
4
83°
72°
5
82°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in La Plena
La Plena's August 2026 forecast shows daily high temperatures ranging from 82° to 89°, with overnight lows between 69° and 76°. The average high for August is 84° with an average low of 72°. 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 La Plena. See also: September | October | November.