S
M
T
W
T
F
S
26
69°
40°
27
73°
38°
28
64°
46°
29
56°
41°
30
56°
36°
1
46°
32°
2
50°
35°
3
56°
42°
4
69°
48°
5
56°
41°
6
52°
39°
7
49°
38°
8
56°
43°
9
57°
41°
10
60°
43°
11
59°
43°
12
58°
47°
13
60°
45°
14
59°
49°
15
61°
46°
16
61°
44°
17
63°
53°
18
64°
54°
19
69°
54°
20
71°
56°
21
71°
55°
22
64°
55°
23
65°
52°
24
63°
48°
25
64°
52°
26
65°
56°
27
67°
57°
28
69°
55°
29
66°
52°
30
67°
53°
31
67°
49°
1
66°
52°
2
66°
51°
3
67°
50°
4
67°
50°
5
68°
53°
6
68°
52°
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 46° to 71°, with overnight lows between 32° and 57°. The average high for May is 62° with an average low of 48°. 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.
