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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Walnut, CA
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October
Average Temperature
High
27°
Feels 28
Low
14°
Feels 14
Average Precipitation
2 Days
Rain amount
7.2mm
Snow amount
0cm
Content continues below
Daily Historical Averages
October 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
19
20
29°
21
26°
22
19°
23
21°
24
24°
25
26°
26
26°
27
27°
28
29°
29
27°
30
24°
31
22°
Forecast
Tuesday, October 20, 2026
Day
29°
Feels 29
Wind
13 km/h S
Gust
20 km/h
Humidity
32%
P.O.P
10%
Night
17°
Feels 17
Wind
11 km/h SW
Gust
16 km/h
Humidity
88%
P.O.P
10%
Historical Averages
Oct 20
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.