Castro Valley, CA Current Weather Conditions
▼Current Conditions — Castro Valley, CA
| OAKLAND (KOAK) |
 |
Clear64.4 F |
| Humidity: | 68% |
| Wind Speed: | W 17.3 mph |
| Barometer: | 30.02 in |
| Dewpoint: | 53.6 F |
| Visibility: | 10.00 mi |
| Precip: | -- |
| Heat Index: | NA |
| Wind Chill: | NA |
|
| Oct 23 2026, 06:00 PM PDT |
|
|
▼State Weather Snapshot — California
▼Hourly Observation History — Castro Valley, CA
| Time |
Wind
(mph) |
Vis
(mi) |
Weather |
Precip (in) |
Temperature (F) |
Relative
Humidity |
Wind
Chill
(F) |
Heat
Index
(F) |
Pressure |
| Air |
Dwpt |
altimeter
(in) |
sea level
(mb) |
| 06:00 PM PDT |
W 17.3 |
10.00 |
Clear |
-- |
64.4 |
53.6 |
68% |
NA |
NA |
30.02 |
1016.6 |
| 05:15 PM PDT |
|
10.00 |
Clear |
-- |
66.2 |
53.6 |
64% |
NA |
NA |
30.02 |
1016.6 |
| 05:10 PM PDT |
W 15.0 |
10.00 |
Clear |
-- |
66.2 |
53.6 |
64% |
NA |
NA |
30.02 |
1016.6 |
| 05:00 PM PDT |
W 15.0 |
10.00 |
Clear |
-- |
66.2 |
55.4 |
68% |
NA |
NA |
30.01 |
1016.3 |
| 04:50 PM PDT |
|
10.00 |
Partly Cloudy |
-- |
68.0 |
53.6 |
60% |
NA |
NA |
30.02 |
1016.6 |
| 04:40 PM PDT |
W 13.8 |
10.00 |
Clear |
-- |
68.0 |
55.4 |
64% |
NA |
NA |
30.02 |
1016.6 |
| 04:35 PM PDT |
W 13.8 |
10.00 |
Clear |
-- |
68.0 |
53.6 |
60% |
NA |
NA |
30.02 |
1016.6 |
| 04:10 PM PDT |
11.5 |
10.00 |
Mostly Clear |
-- |
69.8 |
53.6 |
56% |
NA |
NA |
30.02 |
1016.6 |
| 03:55 PM PDT |
11.5 |
10.00 |
Mostly Cloudy |
-- |
69.8 |
53.6 |
56% |
NA |
NA |
30.02 |
1016.6 |
| 03:00 PM PDT |
W 11.5 |
10.00 |
Clear |
-- |
68.0 |
55.4 |
64% |
NA |
NA |
30.03 |
1016.9 |
| 02:55 PM PDT |
W 11.5 |
10.00 |
Clear |
-- |
66.2 |
55.4 |
68% |
NA |
NA |
30.04 |
1017.3 |
| 02:50 PM PDT |
W 12.7 |
10.00 |
Partly Cloudy |
-- |
66.2 |
55.4 |
68% |
NA |
NA |
30.04 |
1017.3 |
| 02:45 PM PDT |
W 12.7 |
10.00 |
Clear |
-- |
68.0 |
55.4 |
64% |
NA |
NA |
30.04 |
1017.3 |
| 02:00 PM PDT |
12.7 |
10.00 |
Mostly Clear |
-- |
66.2 |
53.6 |
64% |
NA |
NA |
30.06 |
1017.9 |
| 01:45 PM PDT |
11.5 |
10.00 |
Partly Cloudy |
-- |
66.2 |
55.4 |
68% |
NA |
NA |
30.06 |
1017.9 |
| 01:40 PM PDT |
10.4 |
10.00 |
Partly Cloudy |
-- |
66.2 |
55.4 |
68% |
NA |
NA |
30.06 |
1017.9 |
| 01:30 PM PDT |
11.5 |
10.00 |
Partly Cloudy |
-- |
66.2 |
55.4 |
68% |
NA |
NA |
30.06 |
1017.9 |
| 01:20 PM PDT |
11.5 |
10.00 |
Partly Cloudy |
-- |
66.2 |
55.4 |
68% |
NA |
NA |
30.07 |
1018.3 |
| 01:10 PM PDT |
11.5 |
10.00 |
Clear |
-- |
66.2 |
55.4 |
68% |
NA |
NA |
30.07 |
1018.3 |
| 01:00 PM PDT |
11.5 |
10.00 |
Clear |
-- |
66.2 |
55.4 |
68% |
NA |
NA |
30.08 |
1018.6 |
| 12:55 PM PDT |
9.2 |
10.00 |
Clear |
-- |
64.4 |
53.6 |
68% |
NA |
NA |
30.08 |
1018.6 |
| 12:45 PM PDT |
10.4 |
10.00 |
Mostly Clear |
-- |
64.4 |
55.4 |
73% |
NA |
NA |
30.08 |
1018.6 |
| 12:40 PM PDT |
10.4 |
10.00 |
Partly Cloudy |
-- |
64.4 |
55.4 |
73% |
NA |
NA |
30.08 |
1018.6 |
| 12:30 PM PDT |
9.2 |
10.00 |
Mostly Cloudy |
-- |
64.4 |
55.4 |
73% |
NA |
NA |
30.09 |
1019.0 |
|
▼Nearby Weather Stations
🔔 Get instant severe weather alerts for Castro Valley, CA — Subscribe to receive notifications by email, SMS, or voice call.
