S
M
T
W
T
F
S
26
87°
72°
27
87°
71°
28
86°
70°
29
84°
71°
30
85°
67°
31
81°
65°
1
80°
65°
2
81°
68°
3
81°
71°
4
82°
68°
5
82°
66°
6
84°
71°
7
87°
71°
8
85°
70°
9
84°
71°
10
83°
66°
11
82°
64°
12
81°
65°
13
82°
70°
14
86°
71°
15
85°
69°
16
87°
71°
17
88°
70°
18
87°
68°
19
85°
63°
20
80°
63°
21
78°
64°
22
79°
62°
23
79°
62°
24
80°
63°
25
80°
62°
26
81°
62°
27
80°
63°
28
79°
63°
29
81°
62°
30
78°
62°
31
80°
65°
1
82°
60°
2
83°
59°
3
76°
60°
4
77°
61°
5
78°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in La Plata
La Plata's August 2026 forecast shows daily high temperatures ranging from 76° to 88°, with overnight lows between 59° and 72°. The average high for August is 82° with an average low of 66°. 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 Plata. See also: September | October | November.