S
M
T
W
T
F
S
26
82°
60°
27
83°
61°
28
83°
64°
29
84°
66°
30
84°
62°
31
89°
64°
1
89°
67°
2
90°
67°
3
89°
68°
4
89°
64°
5
86°
60°
6
82°
60°
7
82°
61°
8
83°
61°
9
83°
62°
10
85°
61°
11
86°
62°
12
87°
61°
13
88°
63°
14
89°
66°
15
89°
66°
16
88°
67°
17
88°
66°
18
85°
61°
19
82°
60°
20
82°
65°
21
83°
66°
22
83°
64°
23
82°
60°
24
82°
65°
25
83°
66°
26
88°
61°
27
84°
66°
28
85°
66°
29
87°
65°
30
88°
66°
31
85°
63°
1
84°
62°
2
85°
62°
3
83°
61°
4
85°
64°
5
85°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Forestville
Forestville's August 2026 forecast shows daily high temperatures ranging from 82° to 90°, with overnight lows between 60° and 68°. The average high for August is 85° with an average low of 63°. 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 Forestville. See also: September | October | November.