S
M
T
W
T
F
S
29
51°
34°
30
51°
31°
31
60°
29°
1
49°
36°
2
54°
35°
3
58°
34°
4
65°
31°
5
69°
38°
6
75°
37°
7
58°
37°
8
64°
29°
9
68°
29°
10
72°
37°
11
57°
41°
12
56°
40°
13
57°
44°
14
48°
43°
15
49°
34°
16
57°
33°
17
58°
36°
18
68°
43°
19
69°
41°
20
75°
45°
21
64°
47°
22
64°
39°
23
64°
35°
24
71°
38°
25
67°
43°
26
64°
41°
27
62°
40°
28
62°
39°
29
63°
38°
30
56°
37°
1
56°
36°
2
57°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Washington State Capitol
Washington State Capitol's April 2026 forecast shows daily high temperatures ranging from 56° to 75°, with overnight lows between 33° and 47°. The average high for April is 63° 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 State Capitol. See also: May | June | July.
