S
M
T
W
T
F
S
26
95°
74°
27
94°
70°
28
94°
69°
29
93°
70°
30
94°
71°
31
93°
73°
1
93°
73°
2
95°
72°
3
94°
71°
4
92°
70°
5
91°
69°
6
92°
71°
7
92°
70°
8
91°
70°
9
91°
71°
10
92°
70°
11
94°
72°
12
95°
72°
13
95°
71°
14
96°
71°
15
95°
70°
16
96°
69°
17
95°
69°
18
93°
71°
19
96°
71°
20
92°
70°
21
92°
69°
22
93°
69°
23
94°
70°
24
95°
71°
25
94°
72°
26
95°
71°
27
92°
70°
28
94°
70°
29
93°
69°
30
92°
70°
31
92°
70°
1
90°
69°
2
90°
69°
3
89°
68°
4
89°
68°
5
90°
66°
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 89° to 96°, with overnight lows between 66° and 74°. The average high for August is 93° 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.
