S
M
T
W
T
F
S
26
83°
65°
27
82°
66°
28
86°
67°
29
86°
67°
30
85°
66°
31
84°
67°
1
85°
66°
2
86°
67°
3
86°
66°
4
85°
65°
5
85°
66°
6
84°
66°
7
87°
65°
8
79°
61°
9
78°
60°
10
76°
62°
11
83°
66°
12
84°
66°
13
86°
67°
14
86°
66°
15
85°
64°
16
78°
61°
17
78°
58°
18
78°
62°
19
83°
64°
20
84°
63°
21
85°
64°
22
84°
63°
23
83°
57°
24
77°
56°
25
77°
56°
26
78°
57°
27
78°
56°
28
79°
55°
29
79°
57°
30
83°
60°
31
82°
62°
1
80°
62°
2
84°
60°
3
84°
52°
4
76°
53°
5
76°
60°
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 76° to 87°, with overnight lows between 52° and 67°. The average high for August is 82° with an average low of 62°. 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.
