S
M
T
W
T
F
S
26
87°
70°
27
88°
68°
28
88°
67°
29
90°
68°
30
91°
69°
31
92°
71°
1
93°
68°
2
92°
67°
3
92°
72°
4
88°
67°
5
88°
67°
6
89°
66°
7
87°
67°
8
86°
67°
9
87°
69°
10
87°
71°
11
88°
71°
12
87°
68°
13
91°
70°
14
92°
69°
15
92°
71°
16
88°
67°
17
87°
70°
18
91°
67°
19
87°
66°
20
86°
67°
21
87°
69°
22
86°
69°
23
86°
70°
24
90°
71°
25
88°
69°
26
89°
70°
27
87°
70°
28
87°
69°
29
85°
70°
30
87°
65°
31
89°
64°
1
85°
64°
2
85°
67°
3
86°
68°
4
84°
68°
5
88°
67°
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 84° to 93°, with overnight lows between 64° and 72°. The average high for August is 88° with an average low of 68°. 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.
