S
M
T
W
T
F
S
29
59°
34°
30
73°
46°
31
70°
39°
1
43°
32°
2
68°
31°
3
61°
41°
4
58°
38°
5
43°
35°
6
46°
28°
7
40°
22°
8
64°
28°
9
63°
47°
10
49°
35°
11
58°
29°
12
78°
47°
13
73°
57°
14
78°
54°
15
67°
57°
16
61°
48°
17
79°
44°
18
61°
39°
19
46°
34°
20
48°
27°
21
66°
41°
22
73°
45°
23
82°
60°
24
74°
45°
25
70°
43°
26
69°
47°
27
71°
52°
28
56°
41°
29
57°
43°
30
58°
40°
1
49°
38°
2
55°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Grand Valley
Grand Valley's April 2026 forecast shows daily high temperatures ranging from 49° to 82°, with overnight lows between 38° and 60°. The average high for April is 64° with an average low of 45°. 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 Grand Valley. See also: May | June | July.
