Philadelphia Weather: Forecast & Alerts

Current Conditions Overview

Philadelphia is enduring dangerously hot and humid weather, with temperatures near 100 °F and a heat index reaching 106 °F. Source 8 Skies are mostly sunny, and west winds are blowing around 10 mph with gusts up to 20 mph. Residents should monitor hourly updates for ozone and particulate levels to protect air quality.

Short-Term Outlook (Today–Sunday)

Today will remain hot and humid with a 30% chance of late-day showers or storms. Source 7 Overnight, skies turn partly cloudy with lows in the upper 70s °F. Dangerously hot conditions continue through Saturday, while Sunday may bring thunderstorms and slightly cooler, yet still muggy, temperatures.

Extended 10-Day Forecast Highlights

Scattered storms are expected on days 3–5 with highs in the mid-90s °F. Source 1 Days 6–7 should turn drier and slightly cooler, with overnight lows in the mid-70s °F. A gradual warm-up follows on days 8–10, accompanied by 20–40% rain chances.

Hourly Trends & Radar

Peak heat typically arrives between 1–4 p.m. each afternoon. Radar shows isolated cells developing west of the city by late afternoon. Source 4 Live street-level conditions are available on local broadcast maps.

Safety & Preparation Tips

Limit outdoor exertion during peak heat hours, stay hydrated, and check on vulnerable neighbors. The National Weather Service has issued heat advisories; monitor weather.gov/phi for the latest statements. Source 3

FAQ

What is the current temperature and heat index in Philadelphia?
Right now it’s near 100 °F with a heat index up to 106 °F.

Will it rain today?
There’s a 30% chance of showers or thunderstorms, mainly after 3 p.m.

How long will the heat wave last?
Dangerously hot and humid conditions are expected through Saturday.

When is the next possible thunderstorm?
Isolated storms may develop late today and again on Sunday.

Where can I see live radar and hourly forecasts?
AccuWeather, Weather.com, 6abc StormTracker 6, and NBC10 Philadelphia all provide live radar and hourly updates. Source 5

Are there any weather alerts in effect?
The National Weather Service has issued heat advisories; check weather.gov/phi for the latest statements.