Is lightning near Philadelphia right now?
Storm season in Philadelphia peaks June–August.
Free push alert when lightning approaches Philadelphia. Your exact location and alerts live in the app.
Thunderstorm season near Philadelphia
Philadelphia sits in Pennsylvania, which averages about 35 thunderstorm days a year — roughly 1.4× the national average of 25. Lightning near Philadelphia is most frequent June–August.
- PA thunderstorm days/yr
- 35
- Peak season
- June–August
- vs US average
- 1.4×
- Metro population
- ~1.6M
State-level NOAA climatology; a city-specific thunderstorm-day normal isn’t published for every station.
Where Philadelphia sits
Philadelphia sits at about 105 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 58 notable lightning events within 50 miles of Philadelphia since 2015 — including 15 injuries and 2 deaths.
- Elevation
- 105 ft
- Distance to coast
- On the coast
- Terrain
- Coastal
Source: Elevation: open-meteo.com · Coastline: Natural Earth · Lightning history: NOAA NCEI Storm Events.
Lightning safety in Philadelphia
The safest call in Philadelphiaisn’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 Philadelphia?
StrikeCast shows the live distance in miles to the nearest strike near Philadelphia, updated continuously from NOAA GOES-GLM satellite data, plus whether it is approaching or moving away.
Is it safe to be outside in Philadelphia 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 Philadelphia?
Philadelphia sees the most lightning June–August, the height of the regional storm season.
Can I get lightning alerts for Philadelphia?
Yes. Get the free StrikeCast app, save Philadelphia, and you will get a push alert when lightning approaches — no need to keep the app open.