S
M
T
W
T
F
S
26
83°
67°
27
81°
60°
28
82°
62°
29
84°
63°
30
83°
59°
31
85°
61°
1
84°
59°
2
81°
58°
3
80°
59°
4
79°
56°
5
80°
57°
6
80°
56°
7
81°
57°
8
83°
61°
9
80°
62°
10
78°
62°
11
81°
65°
12
83°
65°
13
82°
64°
14
87°
57°
15
83°
56°
16
78°
61°
17
79°
64°
18
81°
56°
19
79°
55°
20
78°
60°
21
78°
62°
22
84°
61°
23
85°
62°
24
83°
63°
25
85°
54°
26
84°
56°
27
76°
58°
28
77°
58°
29
78°
61°
30
81°
62°
31
84°
61°
1
83°
54°
2
82°
58°
3
82°
56°
4
74°
57°
5
75°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Gilbertville
Gilbertville's August 2026 forecast shows daily high temperatures ranging from 74° to 87°, with overnight lows between 54° and 67°. The average high for August is 81° with an average low of 60°. 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 Gilbertville. See also: September | October | November.