CWS Forecast: State College
After a dry Saturday, this week will bring wet conditions to the Commonwealth. Saturday will bring high cloud cover, and cold dry air coming from the north, with rain beginning overnight. Sunday is expected to have steady rain across the state with possible thunderstorms overnight. Some model guidance points to continued rain on Monday throughout Southern Pennsylvania as well. Even more steady rain is expected on Tuesday and Wednesday with below average temperatures.
Day One: Sunday, September 20th 2026
Mostly cloudy skies for the whole day. In the evening through the overnight temperatures will quickly drop, with rain starting overnight
High: 71°F
Low: 54°F
Day Two: Monday, September 21st 2026
Rain from overnight is continuing for the rest of the day, with thunderstorms possible in the afternoon
High: 70°F
Low: 55°F
Day Three: Tuesday, September 22nd 2026
Rain from yesterday continuing throughout the whole day, with below average temperatures
High: 69°F
Low: 64°F
Day Four: Wednesday, September 23rd 2026
Rain showers possible during the day. Periods of rain overnight, especially late.
High: 66°F
Low: 53°F
Day Five: Thursday, September 24th 2026
Below average seasonal temperatures. Spotty rain expected during the day, and possibly lingering overnight.
High: 58°F
Low: 50°F
Day Six: Friday, September 25th 2026
Seasonably cool with isolated showers during the day and overnight.
High: 63°F
Low: 50°F
Day Seven: Saturday, September 26th 2026
Cooler than average with small chance for showers.
High: 63°F
Low: 51°F
