S
M
T
W
T
F
S
26
87°
72°
27
89°
75°
28
90°
75°
29
81°
63°
30
68°
63°
1
63°
52°
2
75°
50°
3
79°
50°
4
81°
57°
5
84°
70°
6
79°
61°
7
68°
57°
8
79°
61°
9
88°
70°
10
88°
64°
11
75°
64°
12
82°
63°
13
86°
61°
14
88°
63°
15
88°
68°
16
86°
70°
17
86°
75°
18
90°
77°
19
90°
66°
20
81°
66°
21
81°
68°
22
88°
64°
23
84°
66°
24
86°
66°
25
88°
68°
26
88°
64°
27
73°
64°
28
88°
63°
29
90°
72°
30
90°
72°
31
88°
72°
1
91°
72°
2
93°
70°
3
88°
68°
4
86°
70°
5
84°
73°
6
90°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Caldwell
Caldwell's May 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Caldwell. See also: June | July | August.
