S
M
T
W
T
F
S
26
78°
60°
27
78°
56°
28
78°
62°
29
80°
58°
30
77°
57°
31
77°
60°
1
78°
58°
2
78°
61°
3
79°
62°
4
79°
61°
5
81°
58°
6
77°
55°
7
77°
58°
8
80°
58°
9
77°
58°
10
77°
59°
11
78°
55°
12
76°
59°
13
79°
60°
14
80°
59°
15
76°
55°
16
75°
55°
17
75°
57°
18
76°
59°
19
75°
61°
20
80°
61°
21
80°
60°
22
81°
59°
23
79°
58°
24
83°
58°
25
82°
58°
26
83°
57°
27
81°
53°
28
76°
51°
29
73°
50°
30
72°
49°
31
72°
49°
1
73°
53°
2
73°
58°
3
74°
58°
4
80°
59°
5
80°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in New Hartford
New Hartford's August 2026 forecast shows daily high temperatures ranging from 72° to 83°, with overnight lows between 49° and 62°. The average high for August is 78° 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 New Hartford. See also: September | October | November.