Central Pennsylvania residents can expect a rainy night followed by a significant cool-down, with temperatures dropping and the first widespread frost potential emerging later this week.

A wave of rain will move across the region overnight, providing beneficial moisture before ending by early Wednesday morning.

Rainfall will progress from northwest to southeast, with some areas experiencing heavier precipitation. Temperatures will drop dramatically, with daytime highs on Wednesday running about five degrees below the historical average for early October.

Expected rainfall totals for the next 3 days (covering the upcoming rain): pic.twitter.com/Hig9KBvMD0 — NWS State College (@NWSStateCollege) October 6, 2025

The cold front will usher in a notably chilly air mass, bringing the first

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