S
M
T
W
T
F
S
26
91°
54°
27
89°
52°
28
88°
51°
29
87°
49°
30
86°
47°
31
88°
50°
1
93°
54°
2
91°
52°
3
91°
49°
4
90°
47°
5
96°
51°
6
94°
48°
7
92°
47°
8
90°
48°
9
90°
50°
10
94°
53°
11
96°
53°
12
96°
52°
13
95°
53°
14
96°
46°
15
95°
48°
16
94°
46°
17
93°
46°
18
90°
47°
19
88°
46°
20
88°
45°
21
89°
45°
22
88°
46°
23
87°
48°
24
88°
50°
25
92°
51°
26
93°
49°
27
94°
50°
28
93°
49°
29
93°
47°
30
89°
48°
31
87°
48°
1
86°
46°
2
88°
48°
3
87°
49°
4
87°
49°
5
90°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Seiad Valley
Seiad Valley's August 2026 forecast shows daily high temperatures ranging from 86° to 96°, with overnight lows between 45° and 54°. The average high for August is 91° with an average low of 49°. 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 Seiad Valley. See also: September | October | November.