S
M
T
W
T
F
S
26
94°
65°
27
96°
63°
28
96°
58°
29
94°
65°
30
96°
62°
31
102°
62°
1
101°
61°
2
87°
61°
3
82°
56°
4
89°
56°
5
97°
51°
6
101°
54°
7
101°
59°
8
100°
60°
9
97°
58°
10
97°
62°
11
96°
57°
12
95°
64°
13
89°
64°
14
89°
62°
15
92°
63°
16
92°
63°
17
92°
60°
18
98°
63°
19
99°
58°
20
100°
57°
21
99°
60°
22
93°
66°
23
91°
57°
24
92°
61°
25
98°
64°
26
96°
60°
27
92°
60°
28
87°
59°
29
85°
56°
30
82°
54°
31
83°
55°
1
85°
57°
2
84°
55°
3
85°
56°
4
87°
58°
5
89°
57°
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 82° to 98°, with overnight lows between 54° and 66°. The average high for August is 89° with an average low of 58°. 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.
