S
M
T
W
T
F
S
29
79°
48°
30
87°
39°
31
66°
39°
1
45°
36°
2
51°
41°
3
60°
33°
4
60°
34°
5
70°
38°
6
59°
35°
7
64°
49°
8
75°
37°
9
53°
35°
10
50°
38°
11
54°
36°
12
64°
39°
13
68°
38°
14
61°
37°
15
69°
44°
16
64°
37°
17
69°
45°
18
71°
46°
19
72°
47°
20
73°
48°
21
73°
49°
22
74°
48°
23
74°
46°
24
72°
41°
25
60°
36°
26
60°
34°
27
61°
41°
28
62°
42°
29
61°
36°
30
62°
47°
1
69°
47°
2
73°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Riverton
Riverton's April 2026 forecast shows daily high temperatures ranging from 50° to 75°, with overnight lows between 33° and 49°. The average high for April is 65° with an average low of 41°. 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 Riverton. See also: May | June | July.