S
M
T
W
T
F
S
26
96°
67°
27
96°
65°
28
97°
65°
29
98°
63°
30
95°
64°
31
94°
62°
1
93°
60°
2
90°
59°
3
88°
60°
4
93°
66°
5
95°
63°
6
96°
60°
7
94°
59°
8
94°
61°
9
96°
60°
10
96°
59°
11
95°
53°
12
88°
53°
13
86°
52°
14
85°
52°
15
86°
51°
16
86°
58°
17
90°
59°
18
94°
59°
19
94°
61°
20
93°
56°
21
94°
55°
22
92°
59°
23
85°
51°
24
84°
50°
25
85°
51°
26
83°
47°
27
80°
48°
28
80°
47°
29
81°
52°
30
81°
49°
31
82°
51°
1
84°
52°
2
86°
56°
3
88°
56°
4
91°
58°
5
91°
53°
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 80° to 98°, with overnight lows between 47° and 67°. The average high for August is 90° with an average low of 57°. 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.
