S
M
T
W
T
F
S
26
93°
68°
27
90°
70°
28
90°
70°
29
90°
66°
30
86°
68°
31
72°
61°
1
83°
59°
2
81°
64°
3
82°
62°
4
74°
55°
5
78°
57°
6
79°
60°
7
83°
60°
8
81°
61°
9
80°
60°
10
79°
62°
11
80°
59°
12
79°
60°
13
77°
60°
14
80°
59°
15
78°
64°
16
83°
63°
17
82°
64°
18
84°
63°
19
82°
62°
20
82°
63°
21
83°
64°
22
84°
64°
23
83°
63°
24
81°
63°
25
80°
60°
26
73°
60°
27
72°
59°
28
77°
60°
29
81°
61°
30
82°
62°
31
82°
61°
1
81°
60°
2
82°
62°
3
83°
63°
4
83°
62°
5
82°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Atwater
Atwater's August 2026 forecast shows daily high temperatures ranging from 72° to 84°, with overnight lows between 55° and 64°. The average high for August is 80° with an average low of 61°. 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 Atwater. See also: September | October | November.