S
M
T
W
T
F
S
26
82°
59°
27
79°
63°
28
78°
61°
29
75°
56°
30
75°
56°
31
79°
61°
1
80°
63°
2
76°
63°
3
82°
64°
4
83°
62°
5
78°
59°
6
76°
63°
7
83°
62°
8
79°
61°
9
81°
62°
10
78°
59°
11
76°
58°
12
80°
62°
13
80°
61°
14
75°
55°
15
73°
54°
16
74°
58°
17
75°
60°
18
79°
61°
19
75°
61°
20
81°
60°
21
81°
59°
22
73°
56°
23
77°
59°
24
75°
59°
25
78°
59°
26
82°
54°
27
77°
52°
28
73°
50°
29
70°
51°
30
73°
51°
31
73°
58°
1
74°
59°
2
77°
60°
3
76°
52°
4
75°
49°
5
72°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Lake Fenton
Lake Fenton's August 2026 forecast shows daily high temperatures ranging from 70° to 83°, with overnight lows between 49° and 64°. The average high for August is 77° with an average low of 58°. 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 Lake Fenton. See also: September | October | November.