S
M
T
W
T
F
S
29
64°
43°
30
75°
59°
31
84°
63°
1
84°
59°
2
82°
59°
3
82°
63°
4
82°
66°
5
72°
54°
6
64°
46°
7
75°
45°
8
68°
50°
9
70°
45°
10
77°
43°
11
84°
46°
12
84°
52°
13
82°
55°
14
84°
54°
15
86°
55°
16
84°
57°
17
90°
59°
18
84°
61°
19
68°
45°
20
77°
39°
21
77°
48°
22
84°
52°
23
84°
52°
24
84°
54°
25
74°
58°
26
83°
57°
27
77°
57°
28
77°
62°
29
79°
56°
30
74°
51°
1
67°
52°
2
67°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Grayson
Grayson's April 2026 forecast shows daily high temperatures ranging from 67° to 83°, with overnight lows between 48° and 62°. The average high for April is 75° with an average low of 55°. 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 Grayson. See also: May | June | July.