S
M
T
W
T
F
S
29
80°
48°
30
82°
65°
31
84°
66°
1
84°
67°
2
82°
67°
3
85°
70°
4
85°
68°
5
68°
57°
6
71°
49°
7
76°
43°
8
80°
57°
9
79°
57°
10
81°
58°
11
84°
60°
12
83°
65°
13
86°
66°
14
86°
67°
15
85°
69°
16
84°
65°
17
84°
64°
18
86°
65°
19
87°
66°
20
87°
65°
21
82°
67°
22
82°
63°
23
83°
62°
24
83°
64°
25
79°
64°
26
83°
63°
27
83°
64°
28
78°
64°
29
84°
65°
30
84°
65°
1
83°
64°
2
81°
64°
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 78° to 87°, with overnight lows between 57° and 69°. The average high for April is 83° with an average low of 64°. 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.