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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
15:00
Sunny 73° 13 mph W 6
16:00
Sunny 76° 13 mph W 4
17:00
Sunny 74° 12 mph W 2
18:00
Sunny 71° 9 mph W 1
19:00
Sunny 64° 7 mph W 0
20:00
Sunny 61° 5 mph W 0
21:00
Partly cloudy 61° 4 mph W 0
22:00
Partly cloudy 57° 3 mph W 0
23:00
Partly cloudy 56° 3 mph SW 0
Thursday 3/9
00:00
Sunny 56° 2 mph SW 0
01:00
Sunny 56° 2 mph SW 0
02:00
Sunny 56° 2 mph SW 0
03:00
Sunny 56° 2 mph SW 0
04:00
Sunny 55° 2 mph SW 0
05:00
Sunny 55° 2 mph S 0
06:00
Sunny 55° 2 mph SW 0
07:00
Sunny 55° 2 mph S 0
08:00
Sunny 59° 2 mph S 1
09:00
Partly cloudy 64° 3 mph SW 2
10:00
Mostly cloudy 67° 5 mph SW 3
11:00
Sunny 69° 6 mph SW 5
12:00
Partly cloudy 72° 8 mph SW 6
13:00
Partly cloudy 74° 10 mph W 8
14:00
Partly cloudy 74° 13 mph W 7
15:00
Sunny 73° 14 mph W 5
16:00
Partly cloudy 71° 15 mph W 4
17:00
Mostly cloudy 68° 13 mph W 1
18:00
Partly cloudy 64° 9 mph W 0
19:00
Partly cloudy 62° 6 mph W 0
20:00
Partly cloudy 61° 6 mph W 0
21:00
Partly cloudy 60° 6 mph W 0
22:00
Partly cloudy 57° 4 mph W 0
23:00
Sunny 56° 3 mph SW 0
Friday 4/9
00:00
Sunny 56° 3 mph SW 0
01:00
Sunny 55° 2 mph SW 0
02:00
Sunny 55° 2 mph SW 0
03:00
Sunny 54° 2 mph SW 0
04:00
Sunny 54° 3 mph SW 0
05:00
Sunny 54° 3 mph SW 0
06:00
Sunny 53° 2 mph SW 0
07:00
Sunny 53° 2 mph SW 0
08:00
Sunny 57° 2 mph SW 0
09:00
Sunny 61° 3 mph SW 2
10:00
Sunny 65° 5 mph W 3
11:00
Sunny 68° 6 mph W 5
12:00
Sunny 70° 7 mph W 7
13:00
Sunny 71° 9 mph SW 8
14:00
Sunny 72° 10 mph SW 7
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: 3:51 PM