Big Weather Changes For Eastern Pennsylvania This Week

A big change in the weather is on tap this week in Eastern Pennsylvania: it's going to get hot. As in middle-of-July hot. The heat, expected to reach the 90s, will kick in Wednesday. Temperatures in the 90s will linger through Thursday.

The National Weather Service has issued a Hazardous Weather Outlook for the region, saying an "early season heat episode" is anticipated from Philadelphia to Trenton. Things will cool down a bit later in the week, with highs in the 70s expected for the weekend.

Don't head off to the beach just yet: the mid-week summer-like pattern will not mark a permanent end to the cool conditions this month, according to AccuWeather. "Cooler air will settle back across the region this weekend and into early next week," AccuWeather Chief Meteorologist Elliot Abrams said.

However, temperatures are not likely to dip as low as the past couple of weekends.

Here is the forecast:

Today: Sunny, with a high near 80. West wind 7 to 9 mph.

Tonight: Mostly clear, with a low around 59. West wind around 5 mph becoming calm in the evening.

Wednesday: Sunny, with a high near 90. West wind 5 to 11 mph.

Wednesday Night: Partly cloudy, with a low around 68. Southwest wind around 7 mph.

Thursday: Mostly sunny, with a high near 92. Southwest wind 8 to 10 mph.

Thursday Night: Partly cloudy, with a low around 69.

Friday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 30%.

Friday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 59. Chance of precipitation is 30%.

Saturday: Mostly sunny, with a high near 74.

Saturday Night: Mostly cloudy, with a low around 55.

Sunday: Mostly cloudy, with a high near 75.