S
M
T
W
T
F
S
26
85°
69°
27
92°
69°
28
92°
72°
29
92°
67°
30
88°
64°
31
87°
70°
1
86°
69°
2
83°
70°
3
82°
68°
4
88°
70°
5
89°
71°
6
88°
70°
7
90°
70°
8
89°
69°
9
87°
71°
10
86°
72°
11
88°
72°
12
88°
71°
13
89°
72°
14
90°
71°
15
88°
72°
16
87°
71°
17
88°
72°
18
88°
71°
19
89°
72°
20
90°
71°
21
86°
70°
22
85°
68°
23
89°
71°
24
91°
72°
25
90°
71°
26
90°
72°
27
91°
73°
28
92°
72°
29
92°
72°
30
91°
71°
31
91°
71°
1
88°
70°
2
86°
70°
3
86°
69°
4
83°
70°
5
84°
69°
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 92°, with overnight lows between 64° and 73°. The average high for August is 88° with an average low of 70°. 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.
