S
M
T
W
T
F
S
26
99°
73°
27
98°
75°
28
99°
74°
29
99°
73°
30
98°
73°
31
98°
72°
1
97°
73°
2
98°
73°
3
95°
72°
4
97°
73°
5
97°
72°
6
99°
73°
7
96°
72°
8
89°
67°
9
89°
65°
10
90°
68°
11
93°
71°
12
96°
72°
13
98°
73°
14
98°
73°
15
97°
74°
16
99°
72°
17
98°
73°
18
99°
73°
19
99°
72°
20
97°
73°
21
88°
59°
22
87°
68°
23
88°
61°
24
90°
68°
25
91°
69°
26
95°
68°
27
96°
69°
28
96°
69°
29
95°
67°
30
95°
69°
31
94°
68°
1
95°
68°
2
95°
69°
3
94°
69°
4
95°
67°
5
95°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Caldwell
Caldwell's August 2026 forecast shows daily high temperatures ranging from 87° to 99°, with overnight lows between 59° and 75°. The average high for August is 95° with an average low of 70°. 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 Caldwell. See also: September | October | November.
