S
M
T
W
T
F
S
26
82°
62°
27
86°
65°
28
72°
67°
29
74°
63°
30
78°
63°
31
86°
63°
1
79°
68°
2
70°
66°
3
74°
56°
4
83°
53°
5
85°
59°
6
82°
68°
7
84°
66°
8
87°
63°
9
82°
59°
10
83°
67°
11
80°
64°
12
82°
64°
13
78°
61°
14
78°
61°
15
79°
59°
16
83°
66°
17
74°
58°
18
80°
58°
19
74°
56°
20
75°
56°
21
80°
50°
22
76°
61°
23
73°
57°
24
68°
59°
25
75°
59°
26
79°
63°
27
76°
60°
28
72°
54°
29
75°
59°
30
78°
68°
31
75°
59°
1
75°
59°
2
71°
55°
3
72°
56°
4
74°
55°
5
73°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Port Huron
Port Huron's August 2026 forecast shows daily high temperatures ranging from 68° to 79°, with overnight lows between 54° and 68°. The average high for August is 74° with an average low of 59°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Port Huron. See also: September | October | November.
