S
M
T
W
T
F
S
26
101°
80°
27
98°
79°
28
99°
78°
29
98°
80°
30
99°
77°
31
101°
77°
1
95°
69°
2
95°
70°
3
97°
72°
4
101°
75°
5
99°
78°
6
100°
74°
7
99°
75°
8
98°
74°
9
101°
73°
10
100°
73°
11
100°
74°
12
99°
75°
13
100°
74°
14
94°
70°
15
95°
70°
16
91°
67°
17
96°
73°
18
96°
72°
19
95°
73°
20
96°
74°
21
96°
73°
22
95°
73°
23
96°
72°
24
95°
73°
25
95°
73°
26
94°
72°
27
95°
73°
28
95°
72°
29
94°
73°
30
95°
72°
31
94°
72°
1
93°
71°
2
94°
71°
3
94°
70°
4
93°
71°
5
94°
71°
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 91° to 101°, with overnight lows between 67° and 78°. The average high for August is 96° with an average low of 72°. 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.
