S
M
T
W
T
F
S
26
84°
70°
27
83°
62°
28
84°
66°
29
86°
69°
30
90°
64°
31
84°
63°
1
85°
64°
2
84°
63°
3
83°
62°
4
83°
61°
5
84°
62°
6
83°
63°
7
84°
63°
8
84°
66°
9
85°
65°
10
83°
63°
11
87°
68°
12
91°
70°
13
91°
62°
14
87°
62°
15
84°
64°
16
86°
69°
17
89°
62°
18
85°
61°
19
81°
59°
20
81°
61°
21
83°
60°
22
83°
57°
23
80°
59°
24
81°
64°
25
86°
66°
26
84°
68°
27
86°
68°
28
89°
63°
29
89°
59°
30
85°
58°
31
80°
62°
1
84°
64°
2
79°
55°
3
78°
58°
4
78°
65°
5
82°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Plattsburg
Plattsburg's August 2026 forecast shows daily high temperatures ranging from 78° to 91°, with overnight lows between 55° and 70°. The average high for August is 84° with an average low of 63°. 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 Plattsburg. See also: September | October | November.
