CWS Forecast: Northwest Pennsylvania

The Commonwealth will see cool and quiet weather on Thursday, with temperatures a few degrees below average and mostly clear skies. Slightly warmer temperatures enter the region on Friday, but so does an increase in cloud cover. Heading into the weekend, partly cloudy skies and seasonable temperatures are expected on Saturday. A few showers are possible on Sunday before a more organized rainy system threatens to invade the region in the early to middle part of next work week.

Day One: Sunday, July 26th 2026

Periods of rain during the day, partly cloudy overnight. Cool.

  High: 46°F

Low: 36°F

Day Two: Monday, July 27th 2026

Remaining cool with mostly clear skies.

High: 49°F

Low: 37°F 

Day Three: Tuesday, July 28th 2026

Mostly sunny and a little warmer during the day, partly cloudy overnight.

High: 54°F

Low: 46°F 

Day Four: Wednesday, July 29th 2026

Warmer with increasing clouds and rain chances. Thunderstorms possible overnight.

High: 64°F

Low: 55°F 

Day Five: Thursday, July 30th 2026

Periods of rain likely throughout the day, with thunder possible.

High: 62°F

Low: 47°F

Last Updated on April 30, 2026 at 10:30 pm