S
M
T
W
T
F
S
26
87°
63°
27
87°
64°
28
86°
65°
29
82°
65°
30
81°
64°
31
87°
64°
1
86°
65°
2
87°
63°
3
88°
64°
4
89°
64°
5
88°
63°
6
86°
62°
7
82°
63°
8
83°
59°
9
81°
58°
10
83°
57°
11
81°
62°
12
86°
63°
13
87°
62°
14
86°
56°
15
81°
55°
16
80°
56°
17
83°
61°
18
80°
55°
19
82°
55°
20
81°
54°
21
82°
55°
22
84°
60°
23
85°
55°
24
85°
54°
25
83°
54°
26
84°
59°
27
81°
56°
28
78°
55°
29
84°
60°
30
84°
57°
31
82°
51°
1
80°
50°
2
76°
51°
3
76°
50°
4
77°
50°
5
76°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Boxboro
Boxboro's August 2026 forecast shows daily high temperatures ranging from 76° to 89°, with overnight lows between 49° and 65°. The average high for August is 83° 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 Boxboro. See also: September | October | November.
