S
M
T
W
T
F
S
26
99°
70°
27
97°
71°
28
87°
66°
29
93°
67°
30
90°
71°
31
75°
64°
1
85°
60°
2
84°
58°
3
86°
65°
4
76°
61°
5
82°
60°
6
86°
64°
7
85°
59°
8
85°
62°
9
85°
62°
10
79°
59°
11
80°
61°
12
82°
62°
13
81°
58°
14
80°
63°
15
81°
59°
16
81°
60°
17
82°
61°
18
80°
58°
19
83°
62°
20
83°
62°
21
82°
64°
22
85°
63°
23
83°
62°
24
83°
62°
25
79°
60°
26
73°
59°
27
72°
57°
28
79°
60°
29
81°
60°
30
82°
61°
31
83°
60°
1
82°
61°
2
82°
61°
3
83°
60°
4
83°
61°
5
82°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Andover
Andover's August 2026 forecast shows daily high temperatures ranging from 72° to 86°, with overnight lows between 57° and 64°. The average high for August is 82° with an average low of 61°. 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 Andover. See also: September | October | November.