S
M
T
W
T
F
S
28
76°
57°
29
82°
65°
30
83°
57°
1
77°
56°
2
76°
59°
3
77°
64°
4
75°
58°
5
76°
56°
6
76°
59°
7
77°
58°
8
76°
59°
9
76°
62°
10
77°
62°
11
81°
63°
12
80°
66°
13
82°
68°
14
79°
61°
15
77°
59°
16
77°
61°
17
78°
61°
18
78°
60°
19
80°
61°
20
78°
60°
21
77°
61°
22
79°
61°
23
80°
62°
24
81°
61°
25
81°
61°
26
83°
68°
27
82°
60°
28
79°
59°
29
77°
59°
30
78°
61°
31
77°
60°
1
78°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Port Huron
Port Huron's July 2026 forecast shows daily high temperatures ranging from 75° to 83°, with overnight lows between 56° and 68°. The average high for July is 78° with an average low of 61°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Port Huron. See also: August | September | October.