S
M
T
W
T
F
S
28
66°
49°
29
72°
51°
30
79°
54°
1
83°
57°
2
87°
51°
3
91°
59°
4
98°
56°
5
97°
62°
6
92°
66°
7
96°
55°
8
99°
60°
9
95°
62°
10
102°
65°
11
104°
68°
12
96°
65°
13
99°
70°
14
98°
68°
15
96°
67°
16
97°
65°
17
99°
69°
18
98°
68°
19
95°
66°
20
92°
66°
21
95°
65°
22
96°
67°
23
92°
60°
24
92°
66°
25
96°
66°
26
96°
67°
27
97°
67°
28
97°
68°
29
98°
67°
30
97°
67°
31
96°
65°
1
87°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Caldwell
Caldwell's July 2026 forecast shows daily high temperatures ranging from 87° to 104°, with overnight lows between 60° and 70°. The average high for July is 96° with an average low of 66°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Caldwell. See also: August | September | October.