Is lightning near San Jose right now?
Storm season in San Jose peaks July–September.
Free push alert when lightning approaches San Jose. Your exact location and alerts live in the app.
Thunderstorm season near San Jose
Lightning near San Jose follows California's pattern of about 10 thunderstorm days a year, below the national average of 25. Lightning near San Jose is most frequent July–September.
- CA thunderstorm days/yr
- 10
- Peak season
- July–September
- vs US average
- 0.4×
- Metro population
- ~1M
State-level NOAA climatology; a city-specific thunderstorm-day normal isn’t published for every station.
Where San Jose sits
San Jose sits at about 85 ft on the coast, where sea-breeze convergence can trigger storms that build fast on summer afternoons — a live nearest-strike distance beats waiting for the rain.
NOAA logged 17 notable lightning events within 50 miles of San Jose since 2015.
- Elevation
- 85 ft
- Distance to coast
- ~11 mi
- Terrain
- Coastal
Source: Elevation: open-meteo.com · Coastline: Natural Earth · Lightning history: NOAA NCEI Storm Events.
Lightning safety in San Jose
The safest call in San Joseisn’t how many storms a year it gets — it’s how close the nearest strike is right now. The 30-30 rule is the baseline: indoors within 30 seconds of thunder, back out only 30 minutes after the last. StrikeCast shows that distance and whether the storm is closing in, so you can act early.
StrikeCast app
Distance, trend & alerts — in your pocket.
GPS-precise distance to the nearest strike, live approaching/moving-away trend, and a push alert before the storm reaches you — no need to keep the app open.
Your exact location stays on your device. Never shared. Never tracked.
Frequently asked
How far away is the nearest lightning to San Jose?
StrikeCast shows the live distance in miles to the nearest strike near San Jose, updated continuously from NOAA GOES-GLM satellite data, plus whether it is approaching or moving away.
Is it safe to be outside in San Jose right now?
If you can hear thunder, you are close enough to be struck. Follow the 30-30 rule: shelter when thunder follows lightning by 30 seconds or less, and wait 30 minutes after the last thunder. StrikeCast's distance and trend help you decide before the storm arrives.
When is thunderstorm season in San Jose?
San Jose sees the most lightning July–September, the height of the regional storm season.
Can I get lightning alerts for San Jose?
Yes. Get the free StrikeCast app, save San Jose, and you will get a push alert when lightning approaches — no need to keep the app open.