S
M
T
W
T
F
S
26
92°
69°
27
93°
71°
28
93°
71°
29
92°
70°
30
93°
72°
31
92°
72°
1
93°
71°
2
94°
72°
3
94°
73°
4
93°
72°
5
95°
73°
6
95°
72°
7
94°
72°
8
94°
71°
9
93°
71°
10
93°
70°
11
92°
72°
12
94°
72°
13
94°
71°
14
93°
72°
15
94°
71°
16
94°
69°
17
90°
66°
18
91°
67°
19
91°
66°
20
90°
65°
21
89°
66°
22
86°
65°
23
85°
61°
24
85°
61°
25
86°
62°
26
85°
60°
27
85°
60°
28
86°
59°
29
87°
60°
30
90°
60°
31
90°
66°
1
89°
66°
2
90°
65°
3
90°
65°
4
89°
66°
5
90°
66°
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 85° to 95°, with overnight lows between 59° and 73°. The average high for August is 91° 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.
