S
M
T
W
T
F
S
29
77°
47°
30
88°
52°
31
76°
44°
1
49°
34°
2
46°
37°
3
41°
32°
4
48°
31°
5
65°
36°
6
46°
32°
7
50°
43°
8
74°
40°
9
46°
36°
10
50°
40°
11
53°
41°
12
61°
42°
13
66°
43°
14
60°
38°
15
66°
43°
16
61°
39°
17
62°
45°
18
67°
47°
19
69°
48°
20
70°
49°
21
70°
50°
22
69°
50°
23
71°
49°
24
69°
41°
25
62°
36°
26
56°
36°
27
57°
37°
28
58°
44°
29
60°
44°
30
59°
42°
1
63°
49°
2
69°
51°
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 41° to 74°, with overnight lows between 31° and 51°. The average high for April is 61° 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 Washington. See also: May | June | July.
