S
M
T
W
T
F
S
28
67°
50°
29
66°
51°
30
69°
50°
1
71°
46°
2
70°
54°
3
75°
52°
4
77°
55°
5
82°
56°
6
77°
54°
7
78°
55°
8
80°
56°
9
81°
55°
10
77°
54°
11
75°
53°
12
79°
55°
13
74°
53°
14
75°
53°
15
75°
54°
16
76°
55°
17
75°
54°
18
78°
58°
19
81°
59°
20
76°
57°
21
76°
58°
22
77°
54°
23
76°
51°
24
75°
52°
25
75°
51°
26
79°
53°
27
79°
55°
28
77°
52°
29
79°
55°
30
78°
55°
31
76°
52°
1
76°
51°
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 66° to 82°, with overnight lows between 46° and 59°. The average high for July is 76° with an average low of 54°. 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.
