S
M
T
W
T
F
S
26
73°
48°
27
73°
48°
28
61°
43°
29
59°
38°
30
57°
35°
1
57°
35°
2
61°
46°
3
71°
45°
4
79°
43°
5
58°
37°
6
54°
37°
7
59°
38°
8
66°
42°
9
72°
45°
10
67°
44°
11
71°
49°
12
75°
51°
13
74°
52°
14
73°
48°
15
71°
48°
16
73°
55°
17
75°
54°
18
75°
54°
19
76°
51°
20
72°
52°
21
69°
45°
22
66°
45°
23
67°
46°
24
68°
46°
25
67°
47°
26
67°
47°
27
68°
48°
28
69°
48°
29
70°
55°
30
74°
57°
31
72°
54°
1
73°
53°
2
76°
57°
3
77°
58°
4
79°
59°
5
79°
61°
6
78°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Reinbeck
Reinbeck's May 2026 forecast shows daily high temperatures ranging from 54° to 79°, with overnight lows between 37° and 61°. The average high for May is 71° 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 Reinbeck. See also: June | July | August.