S
M
T
W
T
F
S
28
86°
68°
29
93°
69°
30
93°
72°
1
94°
71°
2
100°
74°
3
97°
74°
4
96°
72°
5
94°
72°
6
92°
71°
7
93°
70°
8
96°
71°
9
94°
69°
10
94°
70°
11
89°
69°
12
89°
71°
13
81°
71°
14
88°
69°
15
94°
67°
16
97°
70°
17
99°
74°
18
97°
73°
19
98°
73°
20
97°
73°
21
93°
74°
22
91°
75°
23
80°
69°
24
78°
72°
25
81°
69°
26
87°
68°
27
92°
69°
28
92°
72°
29
91°
69°
30
88°
68°
31
89°
67°
1
86°
69°
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 78° to 92°, with overnight lows between 67° and 72°. The average high for July is 86° with an average low of 69°. 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.
