CWS Forecast: State College

Unseasonably warm temperatures are expected across the Commonwealth on Thursday, with highs reaching the upper 70’s to low 80’s along with a chance of showers and thunderstorms throughout the day. Friday will remain warm with partly cloudy skies before temperatures begin to cool heading into the weekend. Saturday looks favorable for daytime tailgating, with mostly cloudy skies and temperatures near 70. Rain and thunderstorms are expected to move into the area Sunday morning, with heavy rain possible as the system passes through. Temperatures will then fall into the 60s, with mostly cloudy skies and scattered showers continuing through Monday and Tuesday. Wednesday will bring more cloudy conditions, with temperatures near 60 and a continued chance of morning rain.

Day One: Thursday, September 17th 2026

Higher than average temperature during the day with possible thunderstorms around noon.

High: 80°F 

Low: 63°F 

Day Two: Friday, September 18th 2026

Sunny skies and warm temperatures throughout the day. Cloud cover increasing throughout the night.

High: 76°F

Low: 54°F

Day Three: Saturday, September 19th 2026

Partly cloudy with a storm begining in the late night.

High: 70°F

Low: 61°F

Day Four: Sunday, September 20th 2026

Moderate gusts along with rain persist into the afternoon. Cloud cover remains throughout the night.

High: 70°F

Low: 57°F

Day Five: Monday, September 21st 2026

Overcast with scattered showers all day and night.

High: 66°F

Low: 57°F

Day Six: Tuesday, September 22nd 2026

Temperatures return to the seasonal average with nearly overcast skies and a chance of scattered showers.

High: 66°

Low: 55°

Day Seven: Wednesday, September 23rd 2026

Cloudy skies with seasonal temperatures.

High: 66°

Low: 55°F

Last Updated on September 16, 2026 at 10:12 pm