S
M
T
W
T
F
S
28
66°
54°
29
63°
53°
30
62°
53°
1
66°
52°
2
64°
51°
3
70°
54°
4
67°
52°
5
72°
51°
6
77°
51°
7
71°
56°
8
70°
53°
9
71°
54°
10
73°
55°
11
71°
56°
12
73°
55°
13
75°
57°
14
77°
58°
15
80°
61°
16
75°
56°
17
69°
56°
18
73°
57°
19
78°
60°
20
77°
59°
21
78°
60°
22
75°
59°
23
77°
60°
24
71°
60°
25
73°
60°
26
78°
61°
27
78°
60°
28
79°
60°
29
78°
58°
30
79°
60°
31
80°
61°
1
79°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Lowell
Lowell's July 2026 forecast shows daily high temperatures ranging from 67° to 80°, with overnight lows between 51° and 61°. The average high for July is 75° with an average low of 57°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Lowell. See also: August | September | October.
