Forecasts, alerts and pattern analysis for Philadelphia and the Delaware Valley
Most visited on Philadelphia Weather Authority
100+ live road and bridge cameras across the region, and free weather games used in classrooms.
Today in Philadelphia
Current conditions, today’s forecast, tomorrow’s preview and active alerts. Updates automatically every hour.
Latest from the National Weather Service
Quick answers
How’s the commute?
Travel weather risk for I-95, I-76, I-476 and the Turnpike, plus a school delay indicator.
Will it snow tomorrow?
A clear yes, maybe or no for Philadelphia, built on National Weather Service data.
Should I cancel my plans?
A quick decision tool for games, cookouts and anything else outdoors.
What do the roads look like?
Live traffic cameras from around the Philadelphia region.
What’s on radar?
Regional radar and satellite views for tracking rain, snow and storms.
Heading down the shore?
Water temperatures and wave conditions for the New Jersey beaches.
For weather enthusiasts: pattern drivers and models
The large-scale signals behind the forecast, tracked here for anyone who wants to look past the 7-day.
Get the forecast by email
Weather briefs and storm updates for the Philadelphia area, sent when there’s something worth knowing. Free, and you can unsubscribe any time.
Learn the weather
Teachers and students: try the Interactive Weather Games, or start with the educational guides on air masses, circulations and reading weather maps.
Philadelphia Weather Authority is run by a local weather enthusiast. Follow @Philly_Weather1 on X or email phillyweatherauthority@gmail.com with questions and suggestions.