S
M
T
W
T
F
S
28
79°
71°
29
87°
66°
30
91°
72°
1
98°
76°
2
101°
77°
3
104°
76°
4
98°
74°
5
91°
72°
6
90°
71°
7
87°
69°
8
86°
67°
9
88°
69°
10
86°
70°
11
90°
71°
12
89°
70°
13
82°
65°
14
80°
64°
15
79°
64°
16
80°
65°
17
81°
66°
18
81°
66°
19
82°
70°
20
83°
71°
21
83°
70°
22
87°
71°
23
84°
71°
24
83°
70°
25
86°
71°
26
87°
72°
27
87°
71°
28
86°
70°
29
84°
71°
30
85°
67°
31
81°
65°
1
80°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in La Plata
La Plata's July 2026 forecast shows daily high temperatures ranging from 79° to 104°, with overnight lows between 64° and 77°. The average high for July is 87° with an average low of 70°. 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 La Plata. See also: August | September | October.