S
M
T
W
T
F
S
26
82°
75°
27
85°
77°
28
85°
76°
29
84°
70°
30
85°
70°
1
71°
54°
2
76°
51°
3
81°
59°
4
81°
71°
5
82°
73°
6
84°
66°
7
79°
64°
8
78°
67°
9
81°
65°
10
82°
66°
11
86°
70°
12
86°
67°
13
83°
68°
14
84°
66°
15
82°
69°
16
82°
69°
17
84°
70°
18
84°
70°
19
83°
69°
20
84°
70°
21
83°
70°
22
79°
67°
23
81°
70°
24
82°
71°
25
81°
70°
26
82°
67°
27
82°
66°
28
83°
71°
29
83°
71°
30
84°
70°
31
85°
70°
1
85°
68°
2
84°
69°
3
84°
70°
4
86°
71°
5
88°
72°
6
86°
71°
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 71° to 88°, with overnight lows between 51° and 73°. The average high for May is 82° with an average low of 68°. 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.
