S
M
T
W
T
F
S
26
79°
46°
27
85°
47°
28
84°
63°
29
71°
65°
30
76°
62°
31
82°
58°
1
87°
62°
2
86°
69°
3
79°
65°
4
85°
60°
5
88°
59°
6
91°
69°
7
91°
71°
8
91°
68°
9
92°
65°
10
91°
68°
11
88°
64°
12
85°
62°
13
83°
62°
14
83°
57°
15
82°
59°
16
77°
57°
17
80°
56°
18
79°
58°
19
80°
57°
20
79°
58°
21
78°
57°
22
78°
62°
23
84°
63°
24
77°
60°
25
78°
60°
26
81°
62°
27
84°
62°
28
84°
60°
29
78°
57°
30
76°
54°
31
75°
53°
1
75°
54°
2
76°
58°
3
75°
58°
4
76°
60°
5
77°
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 75° to 92°, with overnight lows between 53° and 68°. The average high for August is 81° with an average low of 60°. 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.
