S
M
T
W
T
F
S
26
86°
71°
27
91°
70°
28
92°
71°
29
90°
68°
30
86°
62°
31
90°
68°
1
89°
72°
2
82°
72°
3
82°
70°
4
86°
70°
5
86°
71°
6
88°
72°
7
89°
70°
8
90°
71°
9
90°
68°
10
89°
70°
11
89°
69°
12
90°
71°
13
89°
72°
14
90°
71°
15
89°
69°
16
86°
68°
17
87°
69°
18
91°
71°
19
90°
69°
20
87°
68°
21
89°
70°
22
90°
71°
23
90°
71°
24
85°
69°
25
86°
65°
26
85°
66°
27
84°
65°
28
86°
66°
29
88°
67°
30
89°
69°
31
89°
70°
1
88°
71°
2
89°
70°
3
84°
69°
4
84°
67°
5
85°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Lowell
Lowell's August 2026 forecast shows daily high temperatures ranging from 82° to 91°, with overnight lows between 62° and 72°. The average high for August is 88° with an average low of 69°. 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 Lowell. See also: September | October | November.
