S
M
T
W
T
F
S
26
84°
58°
27
85°
63°
28
85°
62°
29
79°
60°
30
78°
56°
31
77°
59°
1
78°
58°
2
77°
57°
3
75°
54°
4
76°
55°
5
78°
57°
6
Hist. Avg.
80°
58°
7
Hist. Avg.
80°
58°
8
Hist. Avg.
80°
58°
9
Hist. Avg.
80°
58°
10
Hist. Avg.
80°
58°
11
Hist. Avg.
80°
58°
12
Hist. Avg.
80°
57°
13
Hist. Avg.
80°
57°
14
Hist. Avg.
79°
57°
15
Hist. Avg.
79°
57°
16
Hist. Avg.
79°
57°
17
Hist. Avg.
79°
56°
18
Hist. Avg.
79°
56°
19
Hist. Avg.
79°
56°
20
Hist. Avg.
78°
56°
21
Hist. Avg.
78°
56°
22
Hist. Avg.
78°
56°
23
Hist. Avg.
78°
55°
24
Hist. Avg.
78°
55°
25
Hist. Avg.
78°
55°
26
Hist. Avg.
77°
55°
27
Hist. Avg.
77°
54°
28
Hist. Avg.
77°
54°
29
Hist. Avg.
77°
54°
30
Hist. Avg.
76°
54°
31
Hist. Avg.
76°
53°
1
Hist. Avg.
76°
53°
2
Hist. Avg.
76°
53°
3
Hist. Avg.
76°
53°
4
Hist. Avg.
75°
52°
5
Hist. Avg.
75°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Plattsburgh
Plattsburgh's August 2026 forecast shows daily high temperatures ranging from 75° to 85°, with overnight lows between 54° and 63°. The average high for August is 79° with an average low of 58°. 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 Plattsburgh. See also: September | October | November.
