S
M
T
W
T
F
S
26
54°
37°
27
69°
38°
28
70°
46°
29
48°
39°
30
48°
35°
1
45°
37°
2
46°
34°
3
64°
35°
4
74°
46°
5
65°
45°
6
46°
39°
7
52°
36°
8
63°
36°
9
68°
40°
10
58°
34°
11
48°
34°
12
61°
30°
13
59°
43°
14
56°
36°
15
68°
36°
16
75°
50°
17
83°
54°
18
88°
64°
19
83°
44°
20
49°
40°
21
54°
41°
22
64°
50°
23
60°
52°
24
68°
53°
25
64°
52°
26
71°
56°
27
68°
54°
28
71°
54°
29
71°
55°
30
75°
58°
31
74°
57°
1
69°
65°
2
73°
58°
3
72°
57°
4
67°
56°
5
68°
58°
6
72°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Port Huron
Port Huron's May 2026 forecast shows daily high temperatures ranging from 49° to 83°, with overnight lows between 40° and 65°. The average high for May is 68° with an average low of 54°. 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 Port Huron. See also: June | July | August.
