S
M
T
W
T
F
S
29
75°
55°
30
70°
59°
31
59°
43°
1
48°
44°
2
52°
36°
3
68°
46°
4
72°
52°
5
73°
54°
6
72°
57°
7
72°
55°
8
72°
54°
9
63°
51°
10
57°
46°
11
49°
37°
12
43°
35°
13
52°
36°
14
59°
40°
15
61°
44°
16
63°
45°
17
61°
43°
18
56°
38°
19
57°
42°
20
60°
41°
21
60°
42°
22
64°
39°
23
58°
35°
24
59°
36°
25
58°
37°
26
57°
36°
27
57°
36°
28
58°
35°
29
59°
36°
30
59°
36°
1
60°
37°
2
61°
44°
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 43° to 64°, with overnight lows between 35° and 51°. 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 Washington. See also: May | June | July.