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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Caldwell, ID
Content continues below
May
Average Temperature
High
22°
Feels 22
Low
8°
Feels 6
Average Precipitation
6 Days
Rain amount
20.1mm
Snow amount
0cm
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
27°
3
28°
4
29°
5
27°
6
28°
7
30°
8
27°
9
27°
10
29°
11
31°
12
32°
13
30°
14
30°
15
29°
16
29°
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Forecast
Saturday, May 2, 2026
Day
27°
Feels 27
Wind
16 km/h SE
Gust
24 km/h
Humidity
15%
P.O.P
30%
Night
10°
Feels 10
Wind
12 km/h N
Gust
18 km/h
Humidity
57%
P.O.P
20%
Historical Averages
May 2
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.