S
M
T
W
T
F
S
26
56°
44°
27
69°
36°
28
62°
43°
29
64°
54°
30
72°
42°
1
69°
35°
2
62°
43°
3
64°
34°
4
77°
41°
5
84°
58°
6
71°
59°
7
64°
46°
8
72°
35°
9
76°
49°
10
85°
47°
11
60°
42°
12
73°
38°
13
76°
52°
14
66°
43°
15
75°
38°
16
85°
46°
17
92°
60°
18
95°
61°
19
96°
67°
20
96°
64°
21
77°
53°
22
56°
51°
23
60°
53°
24
74°
64°
25
77°
64°
26
78°
66°
27
81°
64°
28
77°
56°
29
78°
48°
30
74°
49°
31
70°
53°
1
75°
56°
2
77°
58°
3
77°
57°
4
76°
58°
5
80°
66°
6
75°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Pendleton
Pendleton's May 2026 forecast shows daily high temperatures ranging from 60° to 81°, with overnight lows between 48° and 66°. The average high for May is 75° with an average low of 58°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Pendleton. See also: June | July | August.
