S
M
T
W
T
F
S
26
90°
52°
27
90°
50°
28
90°
48°
29
91°
57°
30
93°
52°
31
97°
46°
1
97°
52°
2
95°
52°
3
90°
54°
4
95°
50°
5
95°
59°
6
97°
55°
7
97°
61°
8
99°
72°
9
97°
64°
10
95°
55°
11
93°
68°
12
88°
55°
13
81°
57°
14
79°
48°
15
84°
46°
16
86°
46°
17
88°
54°
18
90°
61°
19
95°
55°
20
93°
54°
21
91°
59°
22
88°
70°
23
88°
55°
24
90°
59°
25
86°
55°
26
90°
52°
27
88°
57°
28
70°
57°
29
81°
50°
30
82°
41°
31
86°
45°
1
75°
50°
2
66°
50°
3
68°
54°
4
66°
52°
5
72°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Plumas
Plumas's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. 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 Plumas. See also: September | October | November.