S
M
T
W
T
F
S
26
69°
37°
27
59°
38°
28
61°
44°
29
69°
38°
30
79°
42°
1
73°
46°
2
71°
50°
3
91°
53°
4
77°
52°
5
76°
50°
6
76°
46°
7
71°
47°
8
68°
50°
9
73°
49°
10
77°
48°
11
78°
50°
12
73°
48°
13
71°
48°
14
71°
49°
15
69°
47°
16
64°
50°
17
69°
46°
18
63°
43°
19
63°
42°
20
65°
46°
21
74°
49°
22
71°
47°
23
68°
45°
24
74°
51°
25
69°
46°
26
68°
46°
27
74°
53°
28
75°
53°
29
76°
52°
30
76°
52°
31
77°
53°
1
75°
51°
2
74°
52°
3
74°
48°
4
70°
46°
5
70°
46°
6
68°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Keizer
Keizer's May 2026 forecast shows daily high temperatures ranging from 63° to 91°, with overnight lows between 42° and 53°. The average high for May is 72° with an average low of 49°. 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 Keizer. See also: June | July | August.
