S
M
T
W
T
F
S
26
78°
62°
27
78°
63°
28
79°
63°
29
77°
61°
30
73°
58°
31
75°
60°
1
78°
62°
2
77°
60°
3
72°
61°
4
71°
58°
5
73°
55°
6
71°
57°
7
73°
56°
8
71°
54°
9
73°
57°
10
75°
58°
11
77°
58°
12
73°
57°
13
76°
61°
14
77°
61°
15
78°
60°
16
76°
59°
17
77°
60°
18
76°
58°
19
71°
59°
20
70°
57°
21
70°
51°
22
69°
57°
23
73°
58°
24
72°
58°
25
69°
54°
26
68°
58°
27
68°
56°
28
69°
54°
29
68°
54°
30
71°
55°
31
69°
56°
1
70°
57°
2
72°
54°
3
72°
52°
4
71°
52°
5
70°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Plattenburg
Plattenburg's August 2026 forecast shows daily high temperatures ranging from 68° to 79°, with overnight lows between 51° and 63°. The average high for August is 73° with an average low of 57°. 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 Plattenburg. See also: September | October | November.