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Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Seabright (Castle) State Beach, 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
21°
16
19°
17
20°
18
23°
19
21°
20
22°
21
19°
22
16°
23
16°
24
16°
25
18°
26
18°
27
16°
28
16°
29
18°
30
31
Forecast
Friday, May 15, 2026
Day
21°
Feels 21
Wind
22 km/h E
Gust
34 km/h
Humidity
51%
P.O.P
20%
Night
11°
Feels 10
Wind
22 km/h NW
Gust
33 km/h
Humidity
80%
P.O.P
10%
Historical Averages
May 15
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
May
Average Temperature
High
20°
Feels 20
Low
9°
Feels 9
Average Precipitation
2 Days
Rain amount
6.8mm
Snow amount
0cm