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Castro Valley, CA Hourly Weather

Hourly forecast · Castro Valley

The next 48 hours in detail — temperature, feels-like, precipitation chance, wind and UV for every hour. Built on NWS NBM and global model guidance.

48 hours — Castro Valley

Today + 10-day →
Time Conditions Temp Precip Wind UV
Wednesday 2/9
14:00
Sunny 23° 12 mph W 7
15:00
Partly cloudy 23° 13 mph W 5
16:00
Sunny 22° 13 mph W 4
17:00
Sunny 21° 12 mph W 2
18:00
Sunny 20° 10 mph W 1
19:00
Sunny 18° 8 mph W 0
20:00
Sunny 15° 5 mph W 0
21:00
Sunny 14° 4 mph W 0
22:00
Sunny 14° 3 mph W 0
23:00
Sunny 13° 3 mph W 0
Thursday 3/9
00:00
Sunny 13° 2 mph W 0
01:00
Sunny 13° 2 mph SW 0
02:00
Sunny 13° 2 mph SW 0
03:00
Sunny 13° 2 mph SW 0
04:00
Sunny 13° 2 mph SW 0
05:00
Sunny 13° 2 mph S 0
06:00
Sunny 13° 4 mph S 0
07:00
Partly cloudy 13° 4 mph S 0
08:00
Mostly cloudy 15° 5 mph S 1
09:00
Partly cloudy 17° 5 mph S 2
10:00
Sunny 20° 7 mph SW 3
11:00
Partly cloudy 21° 9 mph SW 4
12:00
Partly cloudy 21° 10 mph SW 4
13:00
Partly cloudy 18° 0.01 in 10 mph W 4
14:00
Partly cloudy 16° 0.01 in 6 mph SW 2
15:00
Mostly cloudy 17° 6 mph SW 2
16:00
Partly cloudy 17° 0.00 in 6 mph W 1
17:00
Mostly cloudy 18° 6 mph SW 1
18:00
Partly cloudy 18° 6 mph W 0
19:00
Partly cloudy 17° 6 mph W 0
20:00
Sunny 15° 4 mph W 0
21:00
Fog 14° 3 mph W 0
22:00
Fog 14° 2 mph SW 0
23:00
Fog 14° 3 mph W 0
Friday 4/9
00:00
Fog 13° 2 mph W 0
01:00
Fog 13° 2 mph SW 0
02:00
Fog 13° 2 mph W 0
03:00
Fog 13° 2 mph W 0
04:00
Fog 12° 2 mph SW 0
05:00
Fog 12° 2 mph SW 0
06:00
Mostly cloudy 13° 3 mph SW 0
07:00
Mostly cloudy 14° 3 mph SW 0
08:00
Mostly cloudy 15° 3 mph SW 0
09:00
Mostly cloudy 15° 3 mph SW 2
10:00
Partly cloudy 17° 4 mph W 3
11:00
Sunny 19° 5 mph W 5
12:00
Sunny 21° 5 mph W 7
13:00
Sunny 22° 8 mph W 8
Hourly
How the hourly forecast is made
Hour-by-hour numbers come from NOAA's National Blend of Models combined with ECMWF and GFS guidance, bias-corrected against nearby station observations and refreshed every hour.
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 2:17 PM