6:30 AM | *Unseasonably chilly today with periods of rain...cool and unsettled weekend with additional showers..."severe" weekend solar storm*
Paul Dorian
6-Day forecast for the Philadelphia, PA metro region
Today
Unseasonably chilly today with periods of rain, quite breezy, highs in the lower 50’s (normal high at PHL is 73 degrees); E winds around 10-15 mph; gusts to 25 mph
Tonight
Mostly cloudy with occasional rain; primarily, during the evening hours, cold, lows in the low-to-mid 40’s
Saturday
Partly sunny, cool, chance of late day showers, lower 60’s for afternoon highs
Saturday Night
Mainly cloudy, chilly, good chance of showers, mid-to-upper 40’s for late night lows
Sunday
Mainly cloudy, quite cool, good chance of showers; primarily, during the morning and mid-day hours, upper 50’s
Monday
Mainly sunny, warmer, lower 70’s
Tuesday
Increasing clouds, warm, chance of showers, middle 70’s
Wednesday
Mainly cloudy, warm, chance of showers, lower 70’s
Discussion
An upper-level trough will rotate over the Mid-Atlantic region today and it will be followed close behind by a second system that will keep it very unsettled around here right into Sunday, Mother’s Day. There will be periods of rain today and it will be unseasonably chilly with an ocean flow of air keeping temperatures way below-normal for this time of year. It stays on the cool and unsettled side this weekend with temperatures likely confined to the lower 60’s for highs on Saturday and upper 50’s on Sunday and there will be the threat of showers from later tomorrow into Sunday. High pressure takes over early next week and it will turn warmer on Monday with the return of some sunshine.
One final note, there has been a lot of activity on the sun in recent days with a very large sunspot region known officially as AR3664 having unleashed as many as five coronal mass ejections towards Earth. One of the main ejections will arrive into Earth’s upper atmosphere on Saturday, May 11th, and it can spark geomagnetic storms as can a couple to follow close behind later this weekend. Watch for auroras as far south as Virginia during this weekend event which is being classified as a category 4 “severe” geomagnetic storm…rarely seen in recent years.
Meteorologist Paul Dorian
Arcfield Weather