S
M
T
W
T
F
S
28
77°
59°
29
78°
56°
30
79°
57°
1
78°
56°
2
79°
58°
3
84°
63°
4
86°
64°
5
86°
65°
6
85°
64°
7
86°
58°
8
79°
58°
9
79°
59°
10
80°
62°
11
84°
64°
12
81°
61°
13
80°
60°
14
81°
65°
15
85°
64°
16
82°
63°
17
83°
59°
18
83°
62°
19
84°
62°
20
86°
63°
21
87°
64°
22
86°
60°
23
85°
59°
24
85°
59°
25
86°
60°
26
85°
59°
27
82°
57°
28
81°
57°
29
81°
58°
30
82°
58°
31
82°
57°
1
81°
59°
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 77° to 87°, with overnight lows between 56° and 65°. The average high for July is 83° with an average low of 60°. 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.
