S
M
T
W
T
F
S
29
50°
20°
30
70°
30°
31
65°
45°
1
64°
40°
2
35°
30°
3
59°
43°
4
55°
34°
5
52°
34°
6
44°
27°
7
40°
20°
8
41°
27°
9
54°
41°
10
57°
35°
11
58°
40°
12
59°
44°
13
59°
44°
14
58°
40°
15
53°
33°
16
51°
28°
17
45°
28°
18
46°
29°
19
47°
32°
20
55°
40°
21
59°
40°
22
59°
39°
23
49°
39°
24
57°
41°
25
62°
41°
26
59°
40°
27
51°
40°
28
52°
37°
29
52°
40°
30
58°
41°
1
54°
40°
2
55°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Washington
Washington's April 2026 forecast shows daily high temperatures ranging from 35° to 62°, with overnight lows between 20° and 44°. The average high for April is 53° with an average low of 36°. 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 Washington. See also: May | June | July.
