S
M
T
W
T
F
S
29
66°
26°
30
76°
42°
31
81°
53°
1
83°
56°
2
82°
58°
3
82°
54°
4
83°
54°
5
84°
61°
6
67°
49°
7
68°
41°
8
61°
40°
9
67°
45°
10
74°
44°
11
81°
52°
12
77°
55°
13
80°
58°
14
85°
60°
15
86°
59°
16
82°
59°
17
80°
60°
18
80°
62°
19
78°
60°
20
80°
59°
21
78°
54°
22
79°
55°
23
79°
55°
24
78°
54°
25
79°
54°
26
74°
53°
27
79°
54°
28
72°
51°
29
75°
51°
30
72°
47°
1
71°
55°
2
73°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Lyman
Lyman's April 2026 forecast shows daily high temperatures ranging from 61° to 86°, with overnight lows between 40° and 62°. The average high for April is 76° with an average low of 53°. 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 Lyman. See also: May | June | July.