S
M
T
W
T
F
S
29
79°
42°
30
77°
45°
31
71°
53°
1
64°
40°
2
71°
35°
3
61°
31°
4
72°
20°
5
77°
30°
6
68°
46°
7
69°
46°
8
76°
37°
9
79°
43°
10
76°
43°
11
72°
47°
12
70°
41°
13
67°
41°
14
61°
40°
15
65°
35°
16
72°
32°
17
65°
36°
18
70°
26°
19
78°
40°
20
74°
43°
21
79°
45°
22
77°
42°
23
72°
42°
24
73°
46°
25
67°
44°
26
63°
37°
27
69°
39°
28
73°
43°
29
74°
42°
30
76°
41°
1
74°
42°
2
76°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Lyman Lake State Park
Lyman Lake State Park's April 2026 forecast shows daily high temperatures ranging from 63° to 79°, with overnight lows between 37° and 46°. The average high for April is 73° with an average low of 42°. 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 Lake State Park. See also: May | June | July.
