S
M
T
W
T
F
S
29
41°
28°
30
39°
30°
31
36°
25°
1
32°
19°
2
32°
10°
3
12°
1°
4
23°
9°
5
34°
19°
6
37°
25°
7
34°
23°
8
36°
25°
9
36°
27°
10
37°
27°
11
37°
25°
12
37°
25°
13
36°
21°
14
23°
14°
15
25°
14°
16
36°
21°
17
25°
1°
18
21°
0°
19
34°
19°
20
41°
28°
21
45°
32°
22
42°
16°
23
21°
14°
24
28°
18°
25
27°
21°
26
25°
16°
27
29°
17°
28
37°
20°
29
30°
17°
30
24°
14°
1
31°
16°
2
38°
20°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Rocky Mountain National Park
Rocky Mountain National Park's April 2026 forecast shows daily high temperatures ranging from 21° to 42°, with overnight lows between 14° and 21°. The average high for April is 30° with an average low of 17°. 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 Rocky Mountain National Park. See also: May | June | July.
