S
M
T
W
T
F
S
26
81°
62°
27
84°
64°
28
83°
68°
29
80°
61°
30
83°
55°
31
85°
57°
1
78°
66°
2
83°
69°
3
83°
63°
4
87°
59°
5
88°
68°
6
86°
68°
7
87°
67°
8
85°
66°
9
86°
67°
10
82°
69°
11
73°
65°
12
75°
64°
13
85°
63°
14
82°
71°
15
83°
73°
16
86°
72°
17
84°
63°
18
83°
60°
19
84°
67°
20
78°
53°
21
74°
53°
22
75°
57°
23
77°
56°
24
80°
57°
25
82°
60°
26
79°
61°
27
78°
58°
28
80°
57°
29
77°
54°
30
80°
59°
31
76°
56°
1
76°
57°
2
78°
59°
3
75°
58°
4
74°
56°
5
75°
53°
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 74° to 86°, with overnight lows between 53° and 73°. The average high for August is 79° with an average low of 59°. 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.
