S
M
T
W
T
F
S
29
50°
37°
30
52°
32°
31
59°
34°
1
52°
41°
2
54°
39°
3
59°
37°
4
66°
37°
5
70°
46°
6
75°
41°
7
61°
39°
8
64°
34°
9
68°
34°
10
73°
41°
11
59°
46°
12
57°
46°
13
55°
45°
14
48°
43°
15
46°
36°
16
57°
32°
17
57°
34°
18
72°
44°
19
74°
47°
20
72°
47°
21
60°
49°
22
58°
42°
23
68°
42°
24
69°
42°
25
68°
43°
26
66°
42°
27
67°
44°
28
67°
43°
29
68°
45°
30
65°
44°
1
64°
42°
2
59°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Napavine
Napavine's April 2026 forecast shows daily high temperatures ranging from 58° to 74°, with overnight lows between 42° and 49°. The average high for April is 66° with an average low of 44°. 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 Napavine. See also: May | June | July.
