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Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Spring Valley, CA
Content continues below
May
Average Temperature
High
22°
Feels 23
Low
13°
Feels 13
Average Precipitation
1 Days
Rain amount
3.8mm
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
21°
18
22°
19
24°
20
25°
21
25°
22
24°
23
23°
24
23°
25
22°
26
21°
27
22°
28
22°
29
22°
30
21°
31
20°
Forecast
Sunday, May 17, 2026
Day
21°
Feels 21
Wind
20 km/h SW
Gust
30 km/h
Humidity
51%
P.O.P
30%
Night
14°
Feels 14
Wind
17 km/h S
Gust
26 km/h
Humidity
77%
P.O.P
30%
Historical Averages
May 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.