S
M
T
W
T
F
S
26
85°
66°
27
78°
57°
28
78°
64°
29
83°
63°
30
79°
60°
31
80°
64°
1
80°
58°
2
80°
56°
3
79°
57°
4
77°
55°
5
78°
56°
6
79°
57°
7
82°
57°
8
82°
61°
9
84°
58°
10
83°
61°
11
83°
63°
12
84°
64°
13
84°
64°
14
83°
62°
15
84°
56°
16
80°
56°
17
78°
57°
18
75°
58°
19
75°
55°
20
76°
54°
21
76°
60°
22
79°
60°
23
82°
61°
24
83°
62°
25
82°
54°
26
83°
53°
27
75°
53°
28
74°
54°
29
75°
59°
30
78°
61°
31
81°
60°
1
81°
53°
2
77°
54°
3
80°
58°
4
78°
58°
5
76°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Jenison
Jenison's August 2026 forecast shows daily high temperatures ranging from 74° to 85°, with overnight lows between 53° and 66°. The average high for August is 80° 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 Jenison. See also: September | October | November.
