S
M
T
W
T
F
S
26
53°
35°
27
53°
40°
28
55°
41°
29
57°
42°
30
65°
43°
1
64°
46°
2
56°
44°
3
55°
42°
4
56°
44°
5
58°
44°
6
61°
50°
7
69°
49°
8
63°
48°
9
66°
48°
10
62°
42°
11
58°
40°
12
58°
41°
13
59°
42°
14
61°
45°
15
61°
48°
16
63°
52°
17
67°
48°
18
64°
45°
19
62°
46°
20
62°
51°
21
68°
55°
22
72°
57°
23
71°
56°
24
71°
53°
25
65°
51°
26
72°
59°
27
75°
54°
28
65°
50°
29
76°
56°
30
72°
52°
31
72°
49°
1
76°
55°
2
78°
55°
3
76°
59°
4
78°
60°
5
79°
59°
6
71°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Bay City
Bay City's May 2026 forecast shows daily high temperatures ranging from 53° to 79°, with overnight lows between 35° and 60°. The average high for May is 65° 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 Bay City. See also: June | July | August.
