S
M
T
W
T
F
S
29
39°
26°
30
37°
18°
31
33°
12°
1
45°
22°
2
33°
26°
3
37°
27°
4
53°
31°
5
38°
22°
6
37°
18°
7
63°
22°
8
30°
20°
9
47°
15°
10
59°
26°
11
70°
35°
12
53°
31°
13
40°
28°
14
64°
31°
15
61°
36°
16
32°
13°
17
25°
12°
18
44°
17°
19
57°
21°
20
70°
41°
21
80°
50°
22
80°
33°
23
39°
25°
24
30°
20°
25
29°
17°
26
33°
18°
27
38°
22°
28
48°
27°
29
47°
30°
30
53°
31°
1
55°
31°
2
54°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Richland
Richland's April 2026 forecast shows daily high temperatures ranging from 29° to 80°, with overnight lows between 17° and 50°. The average high for April is 50° with an average low of 29°. 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 Richland. See also: May | June | July.