S
M
T
W
T
F
S
26
73°
55°
27
75°
57°
28
74°
57°
29
77°
59°
30
74°
53°
31
72°
52°
1
72°
52°
2
73°
54°
3
75°
60°
4
74°
59°
5
73°
57°
6
73°
58°
7
80°
59°
8
78°
59°
9
82°
58°
10
81°
52°
11
73°
51°
12
74°
53°
13
72°
51°
14
74°
49°
15
74°
53°
16
78°
54°
17
71°
55°
18
73°
51°
19
73°
53°
20
77°
52°
21
79°
56°
22
80°
57°
23
79°
57°
24
77°
55°
25
78°
47°
26
71°
47°
27
70°
48°
28
70°
49°
29
68°
53°
30
67°
54°
31
69°
55°
1
71°
51°
2
75°
48°
3
69°
46°
4
74°
47°
5
75°
52°
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 67° to 82°, with overnight lows between 46° and 60°. The average high for August is 74° with an average low of 53°. 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.
