Live weather
Current conditions near Castro Valley, CA
Temp
56°
☀️Clear
Feels like
54°
Feels-like temp
Humidity
71%
Relative
Wind
2 mph
10 m avg
Pressure
1020 mb
Sea-level
Rain
0 mm
Clouds 0%
Next few hours
☀️11 PM
55°
0% rain
☀️12 AM
55°
0% rain
☀️1 AM
53°
0% rain
☀️2 AM
52°
0% rain
☀️3 AM
52°
0% rain
☀️4 AM
52°
0% rain
Next few days
🌫️Wed
72° / 49°
0% rain
🌫️Thu
69° / 55°
5% rain
🌧️Fri
63° / 56°
95% rain
🌦️Sat
62° / 53°
61% rain
🌦️Sun
67° / 55°
71% rain
🌦️Mon
60° / 54°
71% rain
Live weather alerts
Active NWS advisories near Castro Valley, CA
Coastal Flood Advisory
Effective local time
Coastal Flood Advisory issued November 10 at 12:11PM PST until November 13 at 4:00PM PST by NWS San Francisco CA
San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline
Source: NWS alerts feed.
Scores use stored public hazard datasets; live weather and alerts are shown separately where available. Refresh timing and coverage vary by source, and data may be delayed or unavailable. Informational only — follow official warnings and emergency guidance.
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Live hazard map
Radar, alerts, systems, SPC, gauges · Castro Valley, CAToggle live overlays with the toolbar to focus on current radar, alerts, and outlooks.