Daily Forecast

May 18

Daily Forecast Tuesday May 19, 2026 – HEAT ADVISORY IN EFFECT

A Heat Advisory remains in effect through Wednesday evening as dangerous heat builds across the region.

Tuesday will be mostly sunny and HOT with highs near 96°. West winds 5–15 mph will offer little relief during the afternoon. Heat index values could approach or exceed 100° in some areas.Tuesday night stays warm and muggy with partly cloudy skies and lows around 74°. Southwest winds 5–10 mph.


⚠️ Limit strenuous outdoor activity, stay hydrated, and never leave children or pets in vehicles. Check on elderly neighbors and those without air conditioning.

May 18

Heat Advisory In Effect Until May 20, 2026 at 8pm

HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT WEDNESDAY...

* WHAT...Heat index values up to 98.

* WHERE...In New Jersey, Mercer, Camden, Gloucester, and
  Northwestern Burlington Counties. In Pennsylvania, Delaware,
  Eastern Montgomery, Lower Bucks, and Philadelphia Counties.

* WHEN...Until 8 PM EDT Wednesday.

* IMPACTS...Hot temperatures and high humidity may cause heat
  illnesses.

* ADDITIONAL DETAILS...Record setting high temperatures are quite
  possible through Wednesday, with maximum heat indices nearing 100
  degrees during peak heating each afternoon. Given the intensity of
  this early season stretch of heat and humidity, we are not
  acclimated to it yet and therefore impacts could be greater if
  precautions are not taken. Showers and some thunderstorms arrive
  later Wednesday afternoon and evening which will break this early
  season heat.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
May 16

Weekend Forecast May 16 and 17, 2026

Have a great weekend! A heatwave will be coming next week!

Saturday

Sunny, with a high near 82. Light southwest wind increasing to 5 to 10 mph in the morning. 

Saturday Night

Increasing clouds, with a low around 64. Southwest wind around 5 mph. 

Sunday

Mostly sunny, with a high near 88. West wind around 5 mph. 

Sunday Night

Partly cloudy, with a low around 64

May 11

Daily Forecast May 11, 2026

Have a great Monday!

Monday

Partly sunny, with a high near 66. North wind around 5 mph becoming northwest in the afternoon. 

Monday Night

Mostly cloudy, then becoming mostly clear toward daybreak, with a low around 44

May 09

Daily Forecast May 9 and 10, 2026

Have a great weekend!

Saturday

Showers before 2pm, then showers likely and possibly a thunderstorm High near 67. South wind around 5 mph, with gusts as high as 20 mph.

Saturday Night

Showers and thunderstorms likely before 8pm, Otherwise, mostly cloudy, with a low around 52.

Sunday

A slight chance of showers after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 80.

Sunday Night

A chance of showers and thunderstorms, then showers after 11pm. Low around 51.