S
M
T
W
T
F
S
29
66°
47°
30
75°
64°
31
79°
65°
1
81°
64°
2
79°
67°
3
77°
67°
4
72°
44°
5
59°
36°
6
63°
36°
7
N/A
8
77°
54°
9
78°
57°
10
76°
58°
11
80°
63°
12
72°
63°
13
79°
65°
14
75°
50°
15
68°
48°
16
70°
53°
17
74°
57°
18
74°
60°
19
76°
61°
20
78°
59°
21
71°
46°
22
67°
53°
23
75°
54°
24
74°
53°
25
75°
52°
26
71°
52°
27
73°
53°
28
76°
54°
29
74°
55°
30
72°
55°
1
73°
54°
2
67°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
April Weather in Lowell
Lowell's April 2026 forecast shows daily high temperatures ranging from 67° to 80°, with overnight lows between 46° and 65°. The average high for April is 74° 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 April weather will actually feel in Lowell. See also: May | June | July.