S
M
T
W
T
F
S
26
80°
62°
27
82°
64°
28
81°
60°
29
81°
61°
30
84°
64°
31
85°
63°
1
86°
56°
2
82°
56°
3
79°
57°
4
79°
57°
5
78°
56°
6
79°
56°
7
80°
55°
8
80°
59°
9
81°
62°
10
82°
62°
11
81°
61°
12
83°
62°
13
80°
62°
14
85°
60°
15
85°
55°
16
81°
60°
17
83°
54°
18
80°
53°
19
79°
52°
20
78°
54°
21
79°
57°
22
78°
56°
23
77°
54°
24
79°
60°
25
77°
57°
26
83°
60°
27
83°
60°
28
82°
58°
29
82°
59°
30
77°
54°
31
78°
52°
1
76°
51°
2
76°
51°
3
77°
57°
4
75°
52°
5
78°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in New Boston
New Boston's August 2026 forecast shows daily high temperatures ranging from 75° to 86°, with overnight lows between 50° and 64°. The average high for August is 80° 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 Boston. See also: September | October | November.
