S
M
T
W
T
F
S
29
64°
38°
30
72°
56°
31
81°
61°
1
84°
59°
2
82°
59°
3
79°
62°
4
74°
63°
5
76°
56°
6
66°
45°
7
74°
47°
8
64°
50°
9
68°
44°
10
75°
45°
11
83°
49°
12
83°
51°
13
78°
57°
14
84°
55°
15
88°
59°
16
86°
61°
17
88°
57°
18
90°
66°
19
72°
43°
20
70°
45°
21
74°
49°
22
81°
53°
23
82°
56°
24
82°
57°
25
80°
59°
26
74°
55°
27
72°
51°
28
73°
52°
29
71°
56°
30
77°
54°
1
72°
51°
2
72°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Pendleton
Pendleton's April 2026 forecast shows daily high temperatures ranging from 70° to 90°, with overnight lows between 43° and 66°. The average high for April is 78° with an average low of 54°. 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 Pendleton. See also: May | June | July.