S
M
T
W
T
F
S
29
52°
21°
30
69°
28°
31
55°
46°
1
54°
38°
2
42°
35°
3
55°
35°
4
63°
39°
5
47°
38°
6
46°
26°
7
43°
26°
8
48°
24°
9
59°
31°
10
62°
41°
11
51°
27°
12
55°
42°
13
65°
53°
14
73°
55°
15
66°
48°
16
63°
46°
17
61°
35°
18
59°
40°
19
59°
38°
20
64°
43°
21
66°
34°
22
50°
36°
23
51°
32°
24
52°
37°
25
57°
39°
26
53°
39°
27
52°
38°
28
53°
37°
29
53°
34°
30
57°
36°
1
59°
42°
2
65°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Lyme
Lyme's April 2026 forecast shows daily high temperatures ranging from 48° to 73°, with overnight lows between 24° and 55°. The average high for April is 58° with an average low of 39°. 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 Lyme. See also: May | June | July.
