S
M
T
W
T
F
S
26
78°
61°
27
78°
60°
28
79°
60°
29
78°
58°
30
79°
60°
31
80°
61°
1
79°
60°
2
78°
60°
3
78°
58°
4
71°
56°
5
71°
56°
6
72°
54°
7
73°
56°
8
79°
58°
9
79°
58°
10
78°
57°
11
77°
56°
12
74°
54°
13
73°
54°
14
69°
49°
15
70°
52°
16
73°
59°
17
79°
60°
18
81°
59°
19
82°
58°
20
80°
50°
21
76°
57°
22
80°
59°
23
81°
53°
24
71°
50°
25
72°
50°
26
72°
52°
27
74°
49°
28
73°
51°
29
73°
49°
30
68°
49°
31
73°
54°
1
76°
57°
2
79°
57°
3
78°
56°
4
68°
46°
5
70°
47°
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 68° to 82°, with overnight lows between 46° and 61°. The average high for August is 76° with an average low of 55°. 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.
