CWS Forecast: Southeast Pennsylvania

As the week ends, the Commonwealth is still feeling the effects of a cold front that passed through the area. Temperatures will increase into the seventies due to a high pressure system in Ohio, causing clear skies and surface heating, perfect weather for Movin’ On! Into the night Friday, temperatures will decrease slightly into the sixties with thunderstorms possible late at night. On Saturday, most of the state will experience scattered showers due to a large trough extending through the eastern portion of the country. A warm front will pass through the Commonwealth Sunday and scattered showers will continue throughout the day. Monday will be fairly humid due to the southerly winds bringing moist air into the area. A cold front will pass through the Commonwealth Monday night, causing temperatures to drop and possible storms. On Tuesday, temperatures will be fairly cool and scattered showers will continue.

Day One: Friday, August 18th 2017

Mostly clear during the day with some showers possible overnight.

High: 82°F

Low: 64°F

Day Two: Saturday, August 19th 2017

Scattered showers possible.

High: 86°F

Low: 61°F

Day Three: Sunday, August 20th 2017

Mostly cloudy with showers possible overnight.

High: 72°F

Low: 60°F

Day Four: Monday, August 21st 2017

Warmer and turning humid. Showers and thunderstorms into the evening and overnight hours.

High: 71°F

Low: 54°F

Day Five: Tuesday, August 22nd 2017

A bit cooler with some clouds possible throughout the day.

High: 57°F

Low: 46°F