S
M
T
W
T
F
S
26
80°
60°
27
82°
61°
28
84°
62°
29
81°
62°
30
83°
63°
31
83°
62°
1
82°
61°
2
77°
57°
3
77°
54°
4
78°
59°
5
77°
58°
6
78°
58°
7
80°
60°
8
83°
61°
9
83°
61°
10
82°
60°
11
83°
61°
12
83°
60°
13
82°
60°
14
85°
60°
15
85°
61°
16
83°
62°
17
80°
60°
18
84°
62°
19
81°
58°
20
80°
53°
21
77°
51°
22
75°
51°
23
75°
54°
24
77°
53°
25
75°
51°
26
74°
54°
27
75°
52°
28
74°
50°
29
73°
49°
30
74°
49°
31
73°
48°
1
73°
49°
2
74°
50°
3
73°
50°
4
71°
51°
5
73°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fort Herkimer
Fort Herkimer's August 2026 forecast shows daily high temperatures ranging from 71° to 85°, with overnight lows between 48° and 63°. The average high for August is 79° with an average low of 56°. 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 Fort Herkimer. See also: September | October | November.
