S
M
T
W
T
F
S
29
86°
46°
30
79°
50°
31
68°
54°
1
70°
48°
2
73°
48°
3
77°
39°
4
84°
39°
5
86°
41°
6
73°
52°
7
77°
50°
8
84°
50°
9
82°
52°
10
70°
48°
11
66°
50°
12
64°
45°
13
66°
39°
14
73°
45°
15
73°
46°
16
77°
46°
17
73°
40°
18
79°
45°
19
71°
41°
20
70°
47°
21
64°
47°
22
67°
45°
23
68°
46°
24
66°
45°
25
69°
46°
26
69°
47°
27
70°
45°
28
70°
46°
29
71°
47°
30
73°
45°
1
74°
47°
2
75°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Buellton
Buellton's April 2026 forecast shows daily high temperatures ranging from 64° to 79°, with overnight lows between 40° and 48°. The average high for April is 71° 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 Buellton. See also: May | June | July.