Focused Live Outlook
Lightning live risk in Castro Valley, CA
Thunderstorm and lightning conditions for Castro Valley, CA over the next 6–24 hours.
Updated just now. Live data typically refreshes every 5–40 minutes.
Thunderstorm alerts
0
SPC Day 1
No Day 1 signal
Current precip
0.0 mm
Humidity
97%
Historical baseline
Lightning baseline: 0/100 (Low).
Live weather
Current conditions near Castro Valley, CA
Temp
58°
⛅Partly cloudy
Feels like
60°
Feels-like temp
Humidity
97%
Relative
Wind
1 mph
10 m avg
Pressure
1010 mb
Sea-level
Rain
0 mm
Clouds 63%
Next few hours
⛅3 AM
58°
0% rain
☀️4 AM
57°
0% rain
☀️5 AM
56°
0% rain
☀️6 AM
56°
0% rain
⛅7 AM
56°
0% rain
☀️8 AM
59°
0% rain
Next few days
☁️Sun
88° / 56°
0% rain
☁️Mon
82° / 56°
1% rain
☁️Tue
81° / 62°
0% rain
☁️Wed
78° / 61°
0% rain
☁️Thu
77° / 61°
1% rain
⛅Fri
75° / 61°
7% rain
☁️Sat
74° / 61°
1% rain
Live weather alerts
Active NWS advisories near Castro Valley, CA
Coastal Flood Advisory
Effective local time
Coastal Flood Advisory issued August 8 at 9:29PM PDT until August 13 at 2:00AM PDT by NWS San Francisco CA
San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Source: NWS alerts feed.
Powered by NOAA, NHC, FEMA, USGS, and NSSL data. Updated every 5–40 minutes in the full product. Demo content only — not for official warning decisions.
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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.