S
M
T
W
T
F
S
28
69°
49°
29
67°
49°
30
70°
46°
1
70°
48°
2
74°
53°
3
82°
51°
4
83°
50°
5
84°
51°
6
82°
54°
7
81°
55°
8
82°
56°
9
80°
55°
10
83°
57°
11
79°
56°
12
85°
58°
13
88°
58°
14
80°
55°
15
75°
54°
16
76°
55°
17
74°
51°
18
77°
56°
19
80°
57°
20
81°
57°
21
77°
56°
22
76°
55°
23
75°
54°
24
76°
53°
25
77°
55°
26
77°
56°
27
80°
59°
28
83°
57°
29
79°
54°
30
82°
57°
31
84°
59°
1
78°
57°
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 70° to 88°, with overnight lows between 48° and 59°. The average high for July is 79° 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 July weather will actually feel in Lowell. See also: August | September | October.
