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Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Piedmont, CA
Content continues below
May
Average Temperature
High
20°
Feels 20
Low
10°
Feels 9
Average Precipitation
2 Days
Rain amount
9mm
Snow amount
0cm
Content continues below
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
23°
18
27°
19
27°
20
25°
21
24°
22
20°
23
17°
24
17°
25
17°
26
17°
27
22°
28
22°
29
23°
30
23°
31
24°
Forecast
Sunday, May 17, 2026
Day
23°
Feels 23
Wind
21 km/h SW
Gust
32 km/h
Humidity
16%
P.O.P
20%
Night
17°
Feels 16
Wind
28 km/h N
Gust
42 km/h
Humidity
26%
P.O.P
0%
Historical Averages
May 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.