Focused Live Outlook
Lightning live risk in San Marcos, CA
Thunderstorm and lightning conditions for San Marcos, 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
65%
Historical baseline
Lightning baseline: 1/100 (Low).
Live weather
Current conditions near San Marcos, CA
Temp
75°
☀️Clear
Feels like
78°
Feels-like temp
Humidity
65%
Relative
Wind
2 mph
10 m avg
Pressure
1009 mb
Sea-level
Rain
0 mm
Clouds 15%
Next few hours
☀️4 AM
75°
0% rain
⛅5 AM
76°
0% rain
⛅6 AM
75°
0% rain
☁️7 AM
76°
1% rain
☁️8 AM
81°
1% rain
☁️9 AM
85°
0% rain
Next few days
☁️Thu
95° / 74°
1% rain
☁️Fri
93° / 70°
1% rain
⛅Sat
89° / 68°
0% rain
☀️Sun
83° / 63°
1% rain
☁️Mon
83° / 61°
10% rain
🌦️Tue
70° / 65°
17% rain
🌦️Wed
82° / 65°
17% rain
Live weather alerts
Active NWS advisories near San Marcos, CA
Extreme Heat Warning
Effective local time
Extreme Heat Warning issued August 27 at 12:50AM PDT until August 28 at 8:00PM PDT by NWS San Diego CA
San Diego County Inland Valleys
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 · San Marcos, CAToggle live overlays with the toolbar to focus on current radar, alerts, and outlooks.