S
M
T
W
T
F
S
26
67°
34°
27
61°
37°
28
63°
42°
29
66°
33°
30
75°
37°
1
71°
48°
2
69°
47°
3
87°
53°
4
70°
51°
5
74°
48°
6
76°
47°
7
72°
46°
8
71°
46°
9
74°
46°
10
77°
48°
11
79°
49°
12
73°
46°
13
72°
47°
14
71°
46°
15
68°
45°
16
63°
47°
17
69°
45°
18
62°
40°
19
62°
40°
20
64°
42°
21
73°
45°
22
70°
44°
23
68°
43°
24
73°
49°
25
67°
45°
26
65°
43°
27
73°
50°
28
74°
50°
29
73°
49°
30
74°
49°
31
75°
50°
1
74°
49°
2
73°
48°
3
73°
46°
4
69°
43°
5
67°
43°
6
66°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Saginaw
Saginaw's May 2026 forecast shows daily high temperatures ranging from 62° to 87°, with overnight lows between 40° and 53°. The average high for May is 71° with an average low of 46°. 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 Saginaw. See also: June | July | August.