S
M
T
W
T
F
S
26
94°
74°
27
95°
73°
28
90°
75°
29
92°
74°
30
93°
75°
31
91°
75°
1
93°
74°
2
93°
75°
3
94°
75°
4
92°
74°
5
93°
75°
6
93°
75°
7
94°
74°
8
92°
74°
9
93°
75°
10
93°
75°
11
92°
74°
12
91°
75°
13
91°
75°
14
92°
74°
15
91°
75°
16
90°
75°
17
90°
74°
18
91°
75°
19
90°
74°
20
90°
75°
21
91°
75°
22
90°
74°
23
92°
74°
24
93°
73°
25
92°
73°
26
91°
74°
27
92°
73°
28
91°
72°
29
92°
73°
30
91°
72°
31
94°
73°
1
94°
73°
2
93°
72°
3
93°
73°
4
92°
74°
5
92°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Alturas
Alturas's August 2026 forecast shows daily high temperatures ranging from 90° to 95°, with overnight lows between 72° and 75°. The average high for August is 92° with an average low of 74°. 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 Alturas. See also: September | October | November.
