S
M
T
W
T
F
S
28
68°
48°
29
70°
49°
30
77°
53°
1
74°
51°
2
77°
55°
3
80°
57°
4
80°
57°
5
79°
55°
6
80°
54°
7
80°
55°
8
81°
58°
9
81°
56°
10
75°
52°
11
76°
52°
12
80°
55°
13
76°
49°
14
76°
48°
15
75°
52°
16
76°
57°
17
78°
52°
18
84°
55°
19
84°
56°
20
83°
57°
21
84°
57°
22
85°
56°
23
84°
53°
24
78°
51°
25
77°
52°
26
77°
52°
27
78°
54°
28
77°
58°
29
80°
56°
30
85°
61°
31
86°
54°
1
78°
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 68° to 86°, with overnight lows between 48° and 61°. The average high for July is 79° 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.
