40-Degree Temp Swing Expected In Eastern PA: Latest Forecast

PENNSYLVANIA — A gloomy storm and subsequent flooding is set to break up the sunny, warm weather in parts of the Keystone State this week, forecasters said.

Isolated rain showers are anticipated to start Wednesday after about 11 a.m., with rumbles of thunder possible this afternoon, the National Weather Service said. Daytime temperatures are set to approach 70 degrees, though wind gusts up to 15 mph might add a chill.

In southeastern Pennsylvania, Bucks County is under a hazardous weather outlook due to possible minor coastal flooding.

“A few showers and a rumble of thunder possible,” the weather service said of the forecast, adding temperatures are slated to plummet overnight.

Elsewhere in the state, central and western Pennsylvania are under a freeze watch through 10 a.m. Thursday.

“Frost and freeze conditions will kill crops and other sensitive vegetation,” the National Weather service said in a statement. “Sub-freezing temperatures as low as 31 possible.”

Lots of clouds and cool temps today. A passing shower is possible. Temps close to 10 degrees below normal. Cold tonight into Thursday morning. Frost/Freeze possible. Depends on how fast cloud dissipate tonight. Expect warnings and advisories once confidence increases. pic.twitter.com/ByAFYxrNXn
— NWS Pittsburgh (@NWSPittsburgh) April 24, 2024

The rain is expected to taper off by Wednesday night, just in time for sunny skies and temperatures in the mid-50s to return Thursday.

The rest of the week will remain sunny and warm in the 60s during the day with some level of chill and areas of frost at night, according to AccuWeather.

Here’s the latest forecast, according to the National Weather Service:

Wednesday: Isolated showers between 10 a.m. and 3 p.m. Cloudy, then gradually becoming mostly sunny, with a high near 70. West wind 10 to 15 mph. Chance of precipitation is 20 percent.

Wednesday Night: Partly cloudy, with a low around 41. Northwest wind 5 to 10 mph becoming north after midnight.

Thursday: Mostly sunny, with a high near 55. East wind around 10 mph.

Thursday Night: Mostly clear, with a low around 34. East wind around 5 mph becoming calm after midnight.

Friday: Sunny, with a high near 58. Southeast wind 5 to 10 mph.

Friday Night: Mostly clear, with a low around 42.