S
M
T
W
T
F
S
28
77°
55°
29
87°
60°
30
93°
73°
1
96°
75°
2
94°
73°
3
87°
71°
4
80°
66°
5
81°
62°
6
80°
62°
7
85°
63°
8
83°
62°
9
80°
64°
10
84°
64°
11
82°
65°
12
81°
63°
13
82°
64°
14
81°
74°
15
76°
64°
16
77°
67°
17
75°
63°
18
78°
66°
19
80°
69°
20
83°
68°
21
81°
68°
22
82°
67°
23
81°
68°
24
79°
68°
25
80°
67°
26
83°
69°
27
83°
69°
28
82°
68°
29
83°
70°
30
84°
69°
31
83°
68°
1
81°
67°
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 96°, with overnight lows between 62° and 75°. The average high for July is 82° with an average low of 67°. 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.