S
M
T
W
T
F
S
26
99°
69°
27
98°
69°
28
97°
68°
29
99°
69°
30
98°
69°
31
97°
68°
1
99°
69°
2
101°
69°
3
101°
68°
4
97°
68°
5
97°
67°
6
100°
69°
7
100°
69°
8
101°
70°
9
100°
69°
10
95°
62°
11
94°
64°
12
96°
65°
13
99°
64°
14
100°
67°
15
99°
66°
16
101°
68°
17
101°
67°
18
100°
67°
19
101°
66°
20
100°
67°
21
100°
66°
22
99°
66°
23
99°
65°
24
98°
66°
25
99°
66°
26
99°
65°
27
98°
66°
28
98°
65°
29
97°
65°
30
97°
60°
31
93°
59°
1
92°
61°
2
93°
59°
3
92°
58°
4
91°
59°
5
90°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Whiskeytown
Whiskeytown's August 2026 forecast shows daily high temperatures ranging from 90° to 101°, with overnight lows between 57° and 70°. The average high for August is 98° with an average low of 66°. 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 Whiskeytown. See also: September | October | November.