S
M
T
W
T
F
S
26
82°
59°
27
84°
63°
28
79°
63°
29
75°
62°
30
76°
57°
31
82°
58°
1
85°
60°
2
79°
59°
3
81°
58°
4
80°
59°
5
83°
60°
6
78°
61°
7
80°
57°
8
81°
60°
9
81°
61°
10
83°
61°
11
81°
61°
12
81°
60°
13
80°
61°
14
79°
60°
15
76°
56°
16
78°
60°
17
79°
60°
18
79°
59°
19
78°
59°
20
77°
58°
21
78°
58°
22
80°
59°
23
79°
57°
24
81°
51°
25
72°
52°
26
73°
58°
27
75°
60°
28
80°
59°
29
80°
58°
30
76°
51°
31
72°
49°
1
70°
49°
2
70°
50°
3
71°
48°
4
71°
52°
5
76°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Herkimer
Herkimer's August 2026 forecast shows daily high temperatures ranging from 70° to 85°, with overnight lows between 48° and 63°. The average high for August is 78° 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 Herkimer. See also: September | October | November.
