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Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Walnut, CA
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Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
27°
19
31°
20
30°
21
29°
22
28°
23
27°
24
25°
25
24°
26
22°
27
25°
28
25°
29
25°
30
28°
31
28°
Forecast
Monday, May 18, 2026
Day
27°
Feels 27
Wind
17 km/h W
Gust
25 km/h
Humidity
20%
P.O.P
10%
Night
13°
Feels 13
Wind
15 km/h SW
Gust
22 km/h
Humidity
76%
P.O.P
0%
Historical Averages
May 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
May
Average Temperature
High
25°
Feels 25
Low
13°
Feels 12
Average Precipitation
2 Days
Rain amount
3.7mm
Snow amount
0cm